Your answer would be D, single replacement
Answer:
It is better to do chemistry
Explanation:
So that you will learn more of chemicals
Answer:
The role of consumers in an ecosystem is to obtain energy by feeding on other organisms and sometimes transfer energy to other consumers. Changes that affect consumers can impact other organisms within the ecosystem.
Explanation:
Hope this helped Mark BRAINLIEST!!!!
Answer:
Mark me brainlist I will then answer in comment
Atoms are the smallest building block that can affect things, and are many many times smaller then cells. our eyes are not designed to see such small things
