I thought it was (d) but I might be wrong
TRUE
Pollution can be defined as the introduction of biological matter, particulate and chemicals that are harmful to humans, plants and animals. pollution can also cause damage to natural environment. However, animal digestion can cause natural air pollution by releasing methane which is a greenhouse gas.
Acetylcholine..
hope it helps
Answer: carbon and hydrogen
Explanation:
Answer:
Medications can be tested on the cancer culture before being injected into the patient.
Explanation:
