B. sunflower is the answer .....I think so if wrong correct me.............!!!!!!!!!!!!!!
Small rivers and streams may join together to become larger rivers. Eventually all this water from rivers and streams will run into the ocean or an inland body of water like a lake.
C. cell membrane the cell membrane lets the good stuff in and keeps the bad stuff out.
Answer:
Gene therapy is used to correct defective genes in order to cure a disease or help your body better fight disease. Researchers are investigating several ways to do this, including: Replacing mutated genes. Some cells become diseased because certain genes work incorrectly or no longer work at all