I believe it’s B or D sorry I’m not 100% sure
The relationship between annual earnings and education attainment is the higher the education level , the higher the income .
Answer:
A) releasing carbon dioxide into the air
New varieties. Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Hope I Helped!
( brainliest answer plzz). ;)