Q: What evolutionary process does not favor altruistic behavior that causes the death of the altruist? A:

OPTIONS:
- flow selection
- characteristic selection
- random selection
- natural selection

Answer: natural selection

Problem: OPTIONS:
- carbon dioxide
- beetles
- cancer
- dutch elm disease
Q: Q: Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what? A:
Answer: dutch elm disease

Problem:OPTIONS:
- State
- Chemical
- density
- its physical property

Q: Which property changes when a glass breaks? A:
****
A: its physical property

Q: A lewis acid is a substance that accepts a pair of electrons to form what? A:
OPTIONS:
- accretion bond
- functionality bond
- ambivalent bond
- covalent bond
covalent bond

Q: The arid environment of a desert, for instance, can quickly deplete an animal of what? A:
OPTIONS:
- strength
- protein
- air
- water

Answer: water

input with options: Q: Scientists think that stars and galaxies make up only a small part of the matter in the universe. what is the rest of the matter called? A:
OPTIONS:
- typical matter
- light matter
- cold matter
- dark matter
output:
dark matter