Q: Answer the question

Kim lost her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?
OPTIONS:
- chemical
- electrical
- thermal
- physical

A: chemical

Q: Answer the question

Which group of organisms can make food by a process called chemosynthesis?
OPTIONS:
- scavengers
- producers
- consumers
- decomposers

A: producers

Q: Answer the question

Why are seals able to live off the coast of Antarctica while frogs, snakes, and panthers are not?
OPTIONS:
- Seals can swim.
- Seals are predators.
- Seals have fur and blubber.
- Seals are warm-blooded animals.

A:
Seals have fur and blubber.