Respiration is a process of exchanging gas.
Answer: C. Fresh water will become limited in the United States.
Explanation:
were all going to die of dehydration in the future :)
Answer:
In their experiments, Hershey and Chase showed that when bacteriophages, which are composed of DNA and protein, infect bacteria, their DNA enters the host bacterial cell, but most of their protein does not. Hershey and Chase and subsequent discoveries all served to prove that DNA is the hereditary material.
