Which statement best describes the position of a coastal area during a low
tide?
A. It is on a side of Earth that is perpendicular to the Moon.
B. It is on the part of Earth that is experiencing nighttime.
C. It is on the part of Earth that is experiencing daylight.
D. It is on a side of Earth that faces the Moon directly.
Answer:
A is the correct answer
Explanation:
Moon pulls the ocean upwards causing tides
The position of a coastal area during a low tide is: it is on a side of Earth that is perpendicular to the Moon.
What happens during low tide?Whenever the absolute bottom, or the box, arrives at a coast, the coast encounters a low tide. Envision the sea is molded like a ball pointing at the moon. The football's sharp closures address the pieces of the Earth encountering elevated tide and the ball's level sides are the pieces of the earth encountering low tide.
Thus, option A is correct.
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HELPPPP ASAPPPPPP WILL MARK BRAINLIST
brainstorm 5 ways you can settle an argument more effectively then restoring to a dual
here it wasnt letting my upload my answer so i screenshotted
Dissolved: Will give brainliest
Answer:
im 99% sure it's 175.
Explanation:
keep trucking, i know school is hard but you're doing amazing
Hurry up as fast as possible Ill mark you brainlist
It took 380,000 years for electrons to be trapped in orbits around nuclei, forming the first atoms.
These were mainly helium and hydrogen, which are still by far the most abundant elements in the universe. Present observations suggest that the first stars formed from clouds of gas around 150–200 million years after the Big Bang. Heavier atoms such as carbon, oxygen and iron, have since been continuously produced in the hearts of stars and catapulted throughout the universe in spectacular stellar explosions called supernovae.
ANSWER ASAP
Which reacts with carbonates?
A. Bases only
B. Acids and bases
C. Neutral solutions
D. Acids only
Answer:
D. Acids only
Explanation:
GIVING BRAINIEST FIVE STARS AND HEART!
Please define the following term in your own words!
law of conservation of matter
Answer:
Matter cannot be created destroyed
Explanation
Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.
PLS HELP
What is the correct order for this food chain?
A) grass, lion, bacteria
B) antelope, lion, grass
С) antelope, bacteria, grass
D) grass, antelope, lion
Answer:
Creo que es D) grass, antelope, lion
Explanation:
El antílope se alimenta de hierba y el león del antílope.
In an ecosystem, the correct order for the food chain is grass, antelope, lion.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.There are different types of ecosystems present.
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What is the process called when a solid becomes a liquid?
melting
freezing
condensing
boiling
the answer is melting
Answer: melting :)
Explanation:
The model represents how electromagnetic radiation transmits energy.
What does the model show?
A. Many light waves traveling away from a source
O B. Two light waves traveling perpendicularly to a source
C. Several light waves circling a source
D. A single light wave traveling away from a source.
The model represents where electromagnetic radiation transmits energy should be option d. A single light wave traveling away from a source.
What is electromagnetic radiation?It is the energy that should be transmitted at the fixed velocity via the sinusoidally that varied from the electric and magnetic fields.
Here the frequency of variation of the energy should be presented by the Greek letter ν.
Hence, the option d is correct.
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The model depicts the transmission of energy by electromagnetic radiation. The model depicts a single light wave departing from a source.
What describes the light as electromagnetic waves?Light as a wave: Light is a type of electromagnetic wave that can be represented mathematically (described). A shifting magnetic field is produced by a shifting electric field, according to this paradigm. Light is produced when the electric field changes as a result of the changing magnetic field.Light can be thought of as a wave. Light is a type of electromagnetic wave. A fluctuating electric field, according to this hypothesis, generates a fluctuating magnetic field. The interaction of a changing magnetic field with a changing electric field produces light. When charged particles, such as electrons and protons, move, they generate electromagnetic fields, which transport the type of energy known as electromagnetic radiation, or light.To Learn more About electromagnetic radiation, Refer:
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Please help! Its for chem
Answer:
can you give me more info
Explanation:
i think it d or c
i got charts to help
I GIVE BRAINLIEST IF YOU ANSWER!
Which of these is a characteristic of warm air? (5 points)
a It transfers energy through radiation.
b Its molecules are far apart.
c It sinks due to convection.
d It cools the land below i
Answer:
B.
Explanation:
The air molecules of warm air has higher energy. It causes them to move away from each other
Where is the Oort cloud located?
in the innermost region of the solar system, closest to the Sun
in the outermost region of the solar system, beyond Neptune
in the region between the Kuiper belt and the scattered disk
in the region beyond Neptune, but closer to the Sun than the Kuiper belt
Answer:
Option B - in the outermost region of the solar system, beyond Neptune.
Explanation:
The Oort Cloud is an extended shell of icy objects that exist in the outermost reaches of the solar system.
Answer:
b
Explanation:
i took the test
what is C2H8 ? please hurry
(CH4=methane)
(C2H2=acetylene)
Answer:
Carbon carbon | C2H8 - PubChem.
Explanation:
Brainliest plz :)
Answer:
Carbon carbon | C2H8
Explanation:
happy to help
Which of the following shows the correct order of the levels of classification form Largest to smallest
?
How many protons, neutrons, and electrons does the following isotope have:
10 protons, 2 neutrons, 4 electrons
4 protons, 6 neutrons, 10 electrons
O
6
protons, 4 neutrons, 0 electrons
4 protons, 2 neutrons, 4 electrons
Answer:
D. 4 protons 2 neutrons and 4 electrons
07-PS1-6 In a laboratory experiment that measures heat energy changes in 1 point
a chemical reaction, what is the most essential piece of equipment?*
Triple Beam Balance
Calculator
Hot Plate
Thermometer
Need answer now!
Which of the following factors would reduce the yield of a reaction?
A. The reaction occurs very quickly.
B. The reactants form additional unexpected products.
C. The reaction requires a large quantity of heat.
D. The reaction produces a large quantity of heat.
Answer:
B. The reactants form additional unexpected products.
Explanation:
can someone help with with some answers?! :-) please! i need this done in a hour :-( help!!
The maximum allowable concentration of Pb2+ ions in water in a local community is 1.51 x 10-8 M. Could a chemist use 2.00 mL of 0.12 M KBr solution on a 5.00 mL sample of tap water to prove through a precipitation reaction that the water supply is safe? Show all work and reasoning
Answer:
The water supply is not safe.
Explanation:
Ionically, the reaction is;
Pb^2+(aq) + 2Br^-(aq) -------> PbBr2(s)
Amount of Br^- reacted = 2/1000 * 0.12 = 2.4 * 10^-4 moles
From the reaction equation;
1 mole of Pb^2+ requires 2 moles of Br^- for complete precipitation
x moles of Pb^2+ requires 2.4 * 10^-4 moles of Br^-
x = 1 * 2.4 * 10^-4 /2
x = 1.2 * 10^-4 moles of Pb^2+
Concentration of Pb^2+ precipitated from 5ml of tap water = 1.2 * 10^-4 * 1000/5
Concentration = 2.4 * 10^-2 M
The amount of Pb^2+ found in the water is greater than the maximum allowable concentration of Pb2+ ions in water in a local community which is 1.51 x 10-8 M. Therefore, the water supply is not safe.
Assignment Summary For this assignment, you will construct a scientific model of the water cycle to show how water is recycled through an ecosystem. Once you have drawn your model on a poster board, you will write one to two paragraphs explaining how water is transferred within and between organisms and the environment. Background Information Water is a very important compound. Organisms need water to carry out life-maintaining processes such as growth and development. Without water, living things will not survive. Water continually flows among the atmosphere, land, water, and living organisms. This process, called the water cycle, allows water to be recycled as it moves through Earth’s spheres. Materials Assignment Instructions Step 1: For this project, you are expected to submit the following: 1. Your model of the water cycle 2. One to two typewritten paragraphs describing the water cycle Step 2: Prepare for the project. a) Read through the guide before you begin so you know the expectations of this project. Pay particular attention to the instructions you need to follow to create a model on your poster board. b) If anything is not clear to you, be sure to ask your teacher. Step 3: Gather materials for the model. a) Start with a blank poster board. Be sure to put your name on it. b) You may either draw the parts of the water cycle or print images to construct a model on your poster board. Gather any drawing tools that you will need, or print any images you want to use. Step 4: Create a model of the water cycle. a) Your model should include bodies of water such as lakes and oceans, organisms, air, and land. b) Draw arrows indicating how water moves within an ecosystem and between organisms and their environment. Be sure to include the Sun and gravity in your model. c) Include short phrases on your poster that summarize what occurs at each stage of the water cycle Step 5: Write a paragraph describing the water cycle. a) Type one to two paragraphs describing the full water cycle. Be sure to use full sentences and proper grammar.
Answer:
Explanation:
Earth's water is always in movement, and the natural water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Water is always changing states between liquid, vapor, and ice, with these processes happening in the blink of an eye and over millions of years.
edge 22
Need help. Is this correct
Answer:
Yes, that is correct!
Explanation:
Answer:
Yes
Explanation:
A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.
please Help and Thanks!
A whale is swimming in the ocean. It communicates with another whale by sending out a sound. Which of the following best
describes how the sound gets to the other whale?
A.
All of the sound absorbed by water changes to heat before getting to the other whale.
В.
The sound is transmitted through water until it reaches the other whale.
C.
All of the sound is diffused in
the water until only a faint sound reaches the other whale.
.D
The sound is reflected in the water before it gets to the other whale.
Answer:
A.
The sound is transmitted through water until it reaches the other whale.
Explanation:
When one whale makes a sound, the sound is transmitted through water until it reaches the other whale. The sound causes a ripple-like effect in the water, producing waves that travel in the water. The waves are heard in all directions. This is why humans can hear the sounds animals make underwater.
The statement which best describes how the sound gets to the other whale is that all of the sounds absorbed by water change to heat before getting to the other whale. Thus, the correct option for this question is A.
How sound may transmit from one place to another?The transmission of sounds is generally carried out through a medium in the form of waves. These sound waves involve the pattern of disturbance caused by the movement of energy.
In an aquatic environment, when one whale successfully constructs a sound, the sound is effectively transmitted through the medium that is known as water.
It remains in the form of waves until it reaches the other whale. The sound in a waveform provokes a ripple-like effect in the water and travels in the water. The waves are effectively heard in all directions.
Therefore, the correct option for this question is A.
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The elements mercury and bromine are both liquids at room temperature, but mercury is considered a metal, and bromine is considered a non-metal. How can that be? Explain using properties you know of.
Answer:
At room temperature, mercury and bromine are of fluid consistency, it is because their melting or melting temperature is very low, so low that it reaches room temperature.
Compared to mercury and other metals, the more traditional metals have much higher melting temperatures.
On the other hand, bromine is not a metal, since it does not have the ability to oxidize with the presence of oxygen and also does not give up electrons.
Explanation:
Mercury in the periodic table is Hg, and bromine is Br
Can someone answer this pleasee it’s free 15 points
I don’t know
but thank u for the points
I need points hehe
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Hawaii is the Widest State in America!!!!!!!
Which energy transformation produces electricity and is least likely to negatively impact the environment?
A) Generating electricity from a natural gas-fired power plant
B) Generating electricity from a coal-fired power plant
C) Generating electricity from a nuclear power plant
D) Generating electricity from a solar panel system
Hello!
The answer to this question is: D) Generating electricity from a solar panel system.Thank you for asking this question!
It would be greatly appreciated if you thanked me and marked me as the brainliest!
Have an amazing day.
The energy transformation which produces electricity and is least likely to
negatively impact the environment is generating electricity from a solar
panel system.
Generating electricity from solar panel involves the use of solar energy from
the sun to generate electricity . This type of energy doesn't emit any type of
harmful radiation or release toxic compounds into the atmosphere which
makes it the least likely to negatively impact the environment.
Other options emit any type of harmful radiation or release toxic compounds
into the atmosphere which makes option D the most appropriate.
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Question 16 (6 points)
Match the following elements with the correct answers.
Column A
Column B
a Francium
1.
Which element has the largest electronegativity?
2
Which element has the biggest atomic radius?
b. Nonmetals
3.
C Fluorine
4
From which types of elements is it more difficult
to pull away a valence electron?
Which type of elements has lower ionization
energy?
What element has an oxidation number of +3?
d. Helium
5.
e. Metals
6.
What element has 2 valence electrons?
f. Aluminum
Answer:
1.) Fluorine
2.) Francium
3.) Nonmetals
4.) Metals
5.) Aluminum
6.) Helium
Explanation:
What causes an earthquake to happen?
A. O Rocks deform slowly as a result of physical stress.
B. O Rocks along a fault move suddenly and release energy.
C. Large amounts of rock suddenly shift downward when large holes form
underground
D. O Energy is transferred to rock layers from convection currents in the oceans
and the atmosphere.
Which of the following is a stable ion that exists under ordinary conditions?
N3-
Al+
Li2+
F2-
Answer:
Hmm 65
Explanation:
In what way does the shape of a molecule affect how the molecule is
involved with living systems?
OA. It determines the weight of the molecule.
OB. It determines how the molecule functions.
O C. It determines oxidation states present in the molecule.
OD. It determines what elements are in the molecule.
Answer:
B
Explanation:
I'm not 100% sure, but B seems like the most likely answer because the shape of a molecule usually is a major factor in how molecules interact with each other.
I hope that helps.