Answer:
Rocks, oxygen, soil, mud, dirt, air, rain, snow, sunlight, temperature, water, air, wind, rocks, and soil.
Answer:
a. He is missing a control group of mice that did not receive the new antibiotic.
Explanation:
In any experiment especially experiments testing effectiveness of a drug, there should be a control group.
The importance of a control group is to minimize the effects of other variables other than the independent variable hence increasing reliability of the results.
in this case, a group of mice that did not receive the new antibiotic would have served as the control group.
The statement that is true about biogeochemical cycles is : A. In biogeochemical cycles, nutrients are not synthesized anew but are recycled in the biosphere.
For example, the excretion that we used after consuming nutrients will be used by soil to fertilize itself
hope this helps
Answer:
An atom makes up everything in the universe
Explanation: