Question 1
A. They are both unicellular
Question 2
B. there are three types of cells, prokaryotic, eukaryotic plant, and eukaryotic animal.
Answer:
True
Explanation:
In an experiment, if you change more than one variable at a time, you will not know what is causing the potentially different outcome. If you only change one variable and leave all other factors constant, you will know exactly what is causing the data.
I hope this helps!
-TheBusinessMan
Answer:
They provide food for living things.
Some aid in the nitrogen cycle.
The most important is that they decompose organic material.
Explanation:
The hydrosphere is all water on earth, the lithosphere is the crust and upper mantle, the biosphere is all life on earth, and the atmosphere is all the gases surrounding the earth.