Answer:
3,2,1,4
Explanation:
as time goes on the water levels rise it expands the bay of the river
Viruses go around in the air and bacteria you have to touch
Living
Genes
Cells or genes
Answer:
Having a cell membrane ,with pores; that regulates substances entering and leaving the cells;
cytoplasm;contains sugar and salts for maintaining it's osmotic pressure; also has a liquid medium; for all biochemical reactions;
having nucleus; contains chromosomes having heridetary material; and controls all activities of the cells.
When was DDT banned in the United States?
DDT was banned in 1972 Rachel Carson wrote a book called Silent Spring.
1972 & Rachel Carson