Q: Answer the question

To conserve the supply of nonrenewable resources, it is best to recycle
OPTIONS:
- newspapers.
- phonebooks.
- paper towels.
- soda cans.

A: soda cans.


Q: Answer the question

When is wood a nonrenewable resource?
OPTIONS:
- When more trees are harvested than are replanted.
- When trees are harvested and replanted at the same rate.
- When trees are used as an energy resource.
- When trees are used as a material resource.

A: When more trees are harvested than are replanted.


Q: Answer the question

The attachment of methyl radicals to genes helps regulate which property?
OPTIONS:
- information genes store
- mode of gene inheritance
- gene expression
- gene coding system

A:
gene coding system