Q: Q: What basic plant structure is the site of photosynthesis? A:

OPTIONS:
- nucleus
- spores
- roots
- leaves

A: leaves

input: OPTIONS:
- excitation
- relaxation
- exploitation
- emigration Now, answer this question: Q: Population growth is determined by rates of birth, death, immigration, and what else? A:
A:
output: emigration

Q: Cutting forests and clearing land has also increased the amount of what in the atmosphere? A:

OPTIONS:
- oxygen
- smog
- pesticides
- carbon dioxide

Answer: carbon dioxide

Problem: OPTIONS:
- blood
- sodium
- plasma
- water
Q: Q: Hydrochloric acid is formed when hcl is dissolved into what? A:
Answer: water

Problem:OPTIONS:
- rust
- copper alloy
- iron oxide
- copper oxide

Q: What substance is created when a copper turns from reddish brown to greenish brown? A:
****
A: copper oxide

Problem:OPTIONS:
- b cells
- natural killer cells
- control cells
- memory cells

Q: After an infection has been brought under control and most cytotoxic t cells die off, a few remain as what? A:
****
A:
memory cells