Q: Fact 1: Changes in the pH of soil can cause plants to die.  Fact 2: Compost balances the pH of soil.  Given the two facts above, what balances the soil?

A: compost


Q: Fact 1: Plants that are adapted to very dry environments are called xerophytes.  Fact 2: Bromeliads and cacti are xerophytes.  Given the two facts above, bromeliads and cacti have adapted to very _ environments.?

A: dry


Q: Fact 1: Brain cells die quickly if their oxygen supply is cut off.  Fact 2: Without proper brain functioning the body dies.  Given the two facts above, what happens to the body without oxygen?

A: dies


Q: Fact 1: Having food has a positive impact on an organism 's health.  Fact 2: Birds and animals eat such food .  Given the two facts above, what generally has a positive impact on an organism's health?

A:
eating