Three students are labeling organisms in their diorama. Zola wants to label the algae and mushrooms as photosynthetic. Saffi wants to label plants and algae as photosynthetic. Ahmed wants to label plants and all bacteria as photosynthetic. Who is correct?
-Saffi and Ahmed
-Zola only
-Saffi only
-Zola and Ahmed

Answers

Answer 1

Answer:

Saffi only

Explanation:

I just took the test and that was the correct answer :)


Related Questions

Which does ionic bonding involve?

Answers

they are formed between a metal and a non metal with very strong electrostatic forces of attraction

Did school teach you a lot?


Did school make your life better??


Did school make you happy?




I just wanted a other opinion


Answers

Answer: it definitely did help me a lot but sometimes it doesn’t make me happy like i will get stressed but it passes.

Explanation:

It definitely taught me a lot but didn’t make my life better or happy. But being with my friends were only time that I liked about school lol

what do you put in the turkey cavity when not using stuffing

Answers

Answer: Herbs, Onions and Garlic, Apples, Celery, Citrus fruits, Fennel, Ginger, Beer, Other poultry

Does ZnS,MnS,NiS and CoS (Group IV Sulphides) dissolve in dil.HCl? And I want to know the reasons​

Answers

Answer:

..

Explanation:

In a significantly acidic medium, even a soluble sulfide like sodium sulfide will not facilitate precipitation of Fe, Zn, Mn, Co and Ni as their sulfides.

The relative atomic mass of chlorine is 35.5.
When calculating relative atomic mass, which particle is the mass of a chlorine atom compared
to?

Answers

Given what we know, we can confirm that relative atomic mass is calculated by comparing the particles to the atomic mass of a carbon-12 atom.

Why compare to carbon-12?Carbon is a very common element. It was been studied greatly, telling us a great deal about the atom. It contains 6 protons and 6 neutrons.This makes it very stable and the standard for comparison.

Therefore, given its abundant nature and the fact that it has been extensively studied, we can confirm that a carbon 12 atom has exactly 6 protons and 6 neutrons, making it very stable and the standard to which other atoms are compared.

To learn more about atomic mass visit:

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Rocks and fossils leave evidence of the conditions that were present when they formed.

true of false

Answers

True, all fossils and rocks can be evaluated to see this evidence from the type of rock or its condition

Pls help me!! Explain how the N:Z ratio can help predict the type of radiation Zr-85 and Zr-95 emit.


No links pls

Answers

Based on N:Z ratio, Zr-85 is expected to decay by positron emission. Zr-95 is expected to emit beta particles in a beta decay.

The N:Z ratio determines the stability of a nucleus. If a nucleus has  N:Z ratio >1.5 or <1.0, such a nucleus is unstable and will undergo radioactive decay. The aim of such a decay is to attain a favorable  N:Z ratio.

For Zr -85, the  N:Z ratio is 1.1 while the  N:Z ratio of Zr-95 is 1.4.  Zr -85 is expected to decay by positron emission which increases the N:Z ratio. For  Zr-95, the nucleus tends to undergo processes that decrease the  N:Z ratio such as beta emission.

Learn more: https://brainly.com/question/2192784

(Total for Question 3-5 marks)
Q4. Carbon monoxide and hydrogen are used in the manufacture of methanol (CH3OH)
The reaction is reversible and can reach a position of dynamic equilibrium.
CO(g) + 2H, (g) = CH OHg) AH = -91 kJ/mol
The reaction is carried out at a pressure of about 100 atmospheres and a temperature of 250°C.
(a) State two features of a reaction that is in dynamic equilibrium.
1
2
Page 9 of 11

Answers

Answer:

1. Forward and Backward reaction rate are equal

2. Concentration of reactants and products are the same.

diagram of paper chromatography from a chemistry textbook​

Answers

Save Time & Ensure Consistent Reproducible Results With Waters LC Columns & Supplies. A Range Of Chromatography Column To Meet The Needs Of Virtually Every Application

The gain of electrons by an element or ion in a reaction is called __.

A. fractionation
B. Disproportionation
C. Oxidation
D. Reducing

Answers

Answer:

Reduction

Explanation:

took the test

What types of bonds, and how many bonds, do you predict arsenic form with other elements?

Answers

Answer:

The outer-shell similarity of the two elements suggests that arsenic, like phosphorus, can form three covalent bonds per atom, with an additional lone pair of electrons left unbonded.

Atomic number: 96

Oxidation states: +3, +4

Arsenic atom can form either three or five bonds in arsenic compounds.

The number of bonds that an element will form to other elements depends on the number of electrons on the valence shell of that element. Arsenic has five valence electrons on its valence shell.

We know that there is one lone pair on the valence shell of arsenic hence, the arsenic atom can form either three or five bonds in arsenic compounds.

In conclusion, arsenic is an element that could form three or five bonds in its compounds.

Learn more about arsenic: https://brainly.com/question/493434

explain why it is necessary to change models as new information becomes available.

Answers

Answer:

Scientific models are not a replacement for experimentation. They can be used in conjunction with experimentation to further understanding of a concept, event, or process. They are based on current scientific knowledge and may have to be changed when new discoveries are made.

Explanation:

that's my answer

#carryonlearning

What are the features that allow you to identify an ionic compound based on its chemical formula

Answers

Answer:

first identify the cation and write down its symbol and charge. Then, identify the anion and write down its symbol and charge.

Explanation:

why do atmospheric carbon dioxide levels fluctuate during the year?

Answers

Answer: The amount of CO2 found in the atmosphere varies over the course of a year. Much of this variation happens because of the role of plants in the carbon cycle

How many total atoms of Nitrogen are shown in the formula below?
4N₂O

2
4
6
8

Answers

Answer:

8

EXPLANATION hope this helps you

Answer:8

Explanation:

what is solubility? ​

Answers

Answer:

the ability to be dissolved, especially in water.

Explanation:

How much aluminum can be extracted from 3.5 metric tons of bauxite ore which is 70% aluminum oxide?

Answers

Answer:

A) 17.5%

B) 1) 2135 kg

2) 375 kg

C) 91.8

Explanation:

Part (A):

1 tonne= 1000 kg= 100%

Aluminium oxide= 825 kg= 82.5%

Iron (lll) oxide= 100 kg= 10%

Sand= 85 kg= 7.5%

That makes total of 100%

So, the percentage of impurities= Iron (lll) oxide + Sand

=> 10 + 7.5= 17.5%

Part (B):

(1) 1 tonne= 427 kg

Multiplying both sides by 5

=> 5 tonne= 427 * 5

=> 5 tonne = 2135 kg

(2) 1 tonne contains 75 kg sand as impurity

=> 1 tonne= 75 kg

Multiplying both sides by 5

=> 5 tonnes = 75 * 5

=> 5 tonnes = 375 kg

Part (C):

If all of the iron oxide was removed, then only aluminium and sand are left.

Aluminium = 825 kg

Sand= 74 kg

Total of them makes it:

=> 825 + 74 = 899

So,

% age of Aluminium= 825/899 * 100

% age of Aluminium= 0.918 * 100%

% age of Aluminium= 91.8%

To form a charge of +2 an atom must________electrons.
To form -3 it must ________ electrons.


Multiple choice:
1) gain2 ;lose 3
2) gain3: lose2
3) lose2;gain3
4) lose3; gain2

Answers

Answer:

Explanation:

3

Which is one factor that adds to the greenhouse effect?

a decrease in the amount of dust in the atmosphere
a decrease in the amount of water on Earth’s surface
an increase in gases in the atmosphere that absorb heat
an increase in the amount of solar radiation that reflects into space

Answers

Answer:

C

Explanation:

Edge 2022 trust the process

Knowing about the greenhouse effect we have that what intensifies this effect is an increase in gases in the atmosphere that absorb heat.

What is the greenhouse effect?

Greenhouse effect is a natural atmospheric phenomenon responsible for the maintenance of life on Earth. Without the presence of this phenomenon, the temperature on Earth would be very low, around -18ºC, which would make the development of living beings impossible.

Thus, the main cause of the greenhouse effect is industrialization. Due to this process, the burning of fossil fuels has intensified in recent centuries. The main products of the combustion reaction of these reagents are the gases mentioned above as the main ones for the greenhouse effect.

See more about greenhouse effect at brainly.com/question/1577730

Salt dissolving in water is an example of what?

chemical change

chemical property

Physical Change

Answers

Answer:

chemical change

Explanation:

because chemical chande is a permanent change

How much is the oxygen valency?

Answers

The oxygen valency is 2

Would results of solubility of sugar dissolving in water change if a person used a different solute?

Answers

Answer:

If a solute is a solid or liquid, increasing the temperature increases its solubility. For example, more sugar can dissolve in hot water than in cold water. If a solute is a gas, increasing the temperature decreases its solubility. For example, less carbon dioxide can dissolve in warm water than in cold water.

Explanation:

which compound is soluble in excess ammonia solution. A. Copper (II) sulphate B. iron (II) chloride. C.Magnesium chloride. D. Magnesium Chloride​

Answers

A. Copper


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Solve this question ~

Find the Hybridization of N in compound " NH3 " and determine its shape ~ ​

Answers

Let's check Electronic configuration of N in ground state

[tex]\\ \sf\longmapsto 1s^22s^22p^3[/tex]

In exited state

[tex]\\ \sf\longmapsto 1s^22s^22px^12py^12pz^2[/tex]

3 p orbitals

In hydrogen case

[tex]\\ \sf\longmapsto 1s^1[/tex]

1 s orbital

Hence Hybridization

[tex]\\ \sf\longmapsto s-p-p-p[/tex]

[tex]\\ \sf\longmapsto sp^3[/tex]

Structure is tetrahedral .

Spare way:-

Bond pairs==3=>Bonding electrons=6Lone pair=1=>Anti bonding electrons=2

Hybridization

[tex]\\ \sf\longmapsto \dfrac{1}{2}[\sigma+\sigma *][/tex]

[tex]\\ \sf\longmapsto \dfrac{1}{2}[6+2][/tex]

[tex]\\ \sf\longmapsto \dfrac{1}{2}[8][/tex]

[tex]\\ \sf\longmapsto 4[/tex]

sp3 HybridizationShape-Tetrahedral .

Early in Earth's history there were more volcanic eruptions and meteorite impacts than there are today.

Question 3 options:
True
False

Answers

Answer:

True

Explanation:

Volcanic eruptions and meteorite impacts were way more common back when the Earth was newly formed.

⚠️⚠️⚠️⚠️HELPPP⚠️⚠️⚠️⚠️
A 250 kg rock falls off a cliff and comes to a rest on the ground, which is 40m below the cliff. At what point is the rock’s kinetic energy at maximum?

Answers

Answer:

at 39m

Explanation:

because thats where gravitational potential energy has been acting on it the most before it hits the ground.

pretty sure btw

_KOH+_H3PO4=_K3PO4+_H2O

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The balanced chemical equation for given reaction is ~

[tex] \sf{3KOH + H_3PO_4 \rightarrow K_3PO_4 + 3H_2O}[/tex]

Which of the following typically increases the rate of a chemical reaction? А avoiding the use of a catalyst B heating the reaction C increasing the volume of the reaction vessel D decreasing the concentration of the reactants​

Answers

B: heating the reaction

hope i could help :D

how is the mode of data set defined
it is the middle value of the set

Answers

Answer:

No, mode isnt the middle value of a set that is median.

Explanation:

Mode (also known as modal class) is the value that appears most frequently in a data set.

A chemical reaction resulting in the transfer of electrons or hydrogen atoms from one molecule to another is called a(n) _______ reaction.

Answers

Answer:

Explanation:

Oxidation reaction

The kind of reaction involving the transfer of electrons or hydrogen away from a molecule is called oxidation.

In the same vein, the molecule that receives the electron or the hydrogen atom is said to be reduced. This means that oxidation cannot exist in isolation without reduction.

In other words, oxidation is defined as:

Loss of electronsLoss of hydrogen atomsGain of oxygen atomsGain in oxidation number

While reduction is defined as:

Gain of electronsGain of hydrogen atomLoss of oxygen atomReduction in oxidation number

More on oxidation/reduction reactions can be found here: https://brainly.com/question/3867774

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