How do humans obtain the nitrogen they use in their bodies?

question 2 options:

by absorbing nitrogen found in the soil

by absorbing ammonia from bacteria growing in the roots of plants

by consuming plants or other animals

by breathing the nitrogen present in the atmosphere

Abnormal softening of a gland is known as

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?