Chlorofluorocarbons(cfcs) damage the ozone layer. where do these chemicals come from?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.