Because there are too many sex chromosomes I think
Answer:
They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth. Later, scientists used absolute dating to determine the actual number of years ago that events happened. The geologic time scale is divided into eons, eras, periods, and epochs.
Explanation:
Hey There
Correct answer: <span>During the second and third trimesters of pregnancy, a daily increase of <u>healthy </u>calories is recommended
Why? Because you need more food to help the baby grow, you are eating for two people
Have a good day</span>
The answer is studying for a test because you want to feel proud of your performance. Intrinsic motivation means you do something for the sake of your internal feelings/motivation, not based on something or someone external like a paycheck or significant other.