input: OPTIONS:
- bonds
- electrons
- neutrons
- protons Now, answer this question: Q: Elements are defined by their atomic number, a number that describes the amount of what in the element? A:
A:
output: protons

Q: Some viruses carry a few viral enzyme molecules within their what? A:

OPTIONS:
- hormones
- plastids
- DNA
- capsids

Answer: capsids

Problem: OPTIONS:
- the cell membranes
- the phospholipid
- the stroma
- the thylakoid
Q: Q: The light reactions take place in which membranes? A:
Answer: the thylakoid

Problem:OPTIONS:
- geckos
- wooly mammoth
- lioness
- platypus

Q: The steropodon may have been an ancestor of which animal? A:
****
A: platypus

Q: Who study volcanoes to be able to predict when a volcano will erupt? A:
OPTIONS:
- vocologists
- virologists
- ornithologists
- volcanologists
volcanologists

Q: What are substances that the body needs for energy, building materials, and control of body processes? A:
OPTIONS:
- molecules
- carbons
- acids
- nutrients

Answer:
nutrients