Answer:
They are classified into three orders: frogs and toads, salamanders and newts, and caecilians.
Scientists learn about the universe by studying the light that comes to Earth from stars and other objects in space. If you were a scientist hoping to understand the universe, what three questions would you ask?
50 POINTS MAKE IT FAST
Answer: Here's 4 so you can choose
How many stars are in space?
How far away from Earth are certain stars?
Are there other planets like Earth?
Could a large meteor ever strike Earth
Explanation:
identify and explain three environmental impacts of current agricultural methods
Explanation:
It is profit making practice but it causes increased level of pathogens.
It has increased the level of chemicals in our land and water.
It has increased levels of greenhouse gases in air.
Which of the following areas of science would
allow someone to obtain a job for NASA?
A. Physical Science
B. Life Science
C. Social Science
D. Medical Science
Due today, please help
The nitrogen bases will only bond with one specific nitrogen base such as A - T and G - C. This is known as:
Complimentary Base Pairing
2x+3y=12
x-5y=-7
solve simultaneously
Compare the planets Mars and Saturn. Describe how their common characteristics are similar.
Answer:
Both Mars and Saturn have rings.
The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment?
5 ATTAGTCCGTAC 3
A. 2
B. 3
C. 4
D. 5
Answer:
b
Explanation:
n the experiment "What Effect Does Vinegar Have on Plant Growth?" some plants were given only water, some were given only vinegar, and the others were given various mixtures of water and vinegar. Which of the following groups is the control group in the experiment?
50% water and 50% vinager
100% water
100% vinager
or 25% vinager and 75% water
50% water and 50% vinager
6) Pamela went to the doctor for her yearly check-up. They discovered that she had decreased
estrogen and progesterone levels. After a few months of medication, her levels returned to
normal. She stressed to her doctor that she wanted a child. Her doctor said that with the
hormonal supplements, she should be able to conceive a child.
What systems are affected?
Why?
Answer:
strogen and progesterone levels
Explanation:
she stressed to her doctor
The difference between active and passive transport is that–
A. Passive transport requires energy to move molecules up a concentration gradient, and active transport does not.
B. Passive transport can only move specific particles across a membrane, and active transport can move any particle.
C. Active transport requires energy to move molecules up a concentration gradient, and passive transport does not.
D. Active transport moves molecules in animal cells, and passive transport moves molecules in plants.
Answer:b
Explanation:
Answer:
moves particles from an area of low concentration to an area of high concentration.
Explanation:
edge
What is it called when DNA is not bunched together
1.scientist refer to a biological community and the abiotic parts of the environment that affects the community as _______?
A. Biome
B. Ecosystem
C. Population
D. Community
Help me ASAP! CORRECT ME IF AM WRONG TY BOYS AND GIRLS
Answer:
CORRECT
Explanation:
Mass measures the amount of ______ in a substance
or an object.
a matter
b space
c gravity
d vapour
Answer:
theianswer to this is A. Matter