click below
click below
Normal Size Small Size show me how
DES Science 5-1
Science Chapter 5
| Question | Answer |
|---|---|
| trees and other plants produce oxygen during... | photosynthesis |
| photosynthesis can be thought of as the opposite of... | respiration |
| during this process, stored energy is released... | respiration |
| bacteria and fungi break down organic matter during a process known as... | decomposition |
| during decomposition, this element is returned to the environment... | carbon |
| 21% of the Earth's atomosphere is... | oxygen |
| less than 1% of the Earth's atmosphere is... | carbon dioxide |
| a series of repeated actions is known as a... | cycle |
| during respiration ____________ and oxygen are combined to produce carbon dioxide and water. | glucose |
| The carbon/oxygen cycle can be disrtupted by the burning of fossil fuels and... | deforestation |
| coal, oil, and natural gas are all... | fossil fuels |
| disrupting the carbon/oxygen cycles can result in;;; | global warming |