Q: Fact: a mouse gives birth to live young
Question: A mouse give birth to ____ while a bird give birth to ____

A: live babies; unhatched eggs

Q: Fact: heat and pressure change the remains of prehistoric living things into natural gas
Question: A micro-scratch test is able to determine which rock formations deep inside the earth's sub-surface are the hardest and how resistant the formations are to being

A: scratched, fractured or otherwise deformed

Q: Fact: a compass 's needle lines up with Earth 's magnetic poles
Question: If Earth has poles that are magnetic

A: needles aim that way

Q: Fact: An example of protecting the environment is reducing the amount of waste
Question: What is an example of protecting the environment?

A:
using water flow limiter