Answer:
D. "always" cover the microscope when not in use.
Explanation:
when you are finished using a light microscope or any microscope in general you always need to put the cover back on it. Mostly, to protect it from any harmful bacteria, light etc. and to keep it clean and, from collecting dust.
<span>It is the biosphere, which includes all living organisms and ecosystems is the highest physical level of biological study.</span>
Explanation:
the answer is d, the DNA must be replicated.
Answer:
The materials moved by runoff are topsoil and nutrients
Explanation:
Topsoil is easily washed off by runoff whenever it rains, they are made up of light materials which helps their easy migration during runoff. Nutrients in same vein when added to soil, most nutrients takes longer period before they eventually moves down the soil to penetrate plants root for uptake, hence; some remains on topsoil which are easily moved during runoff