Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
When referring to knowing where to find something when you need it you mean that you do not need a memorization of all things, you just need a source to find it when in need. I hope this answer suited your needs.
It is a nucleic acid. It is found in DNA. It is used to build an organism’s structures. It allows parents and their young to have similar characteristics.
Answer and Explanation:
The plant cell has a cell wall, chloroplasts, plastids, and a central vacuole—structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.