the (drug and control) are the variable that you will change throught the conducted investigation.
Answer:
A
Explanation:
DNA must first be replicated before anything else occurs.
Answer:
What effect do human activities have on natural resources?
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
this is somewhat similar
Answer:
I believe the answer is B. X-spongy;Y-marrow