Genetics is the most important factor that affects your physical fitness. true or false ?

If a balloon is taken outside on a very cold day, what will occur?

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Which component of the earth’s atmosphere is decreased due to photosynthesis?