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

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles