HELP ME PLZ 30 POINT AND A MARK

How do humans and animals obtain the nitrogen their bodies need to make proteins and nucleic acids?
Question 1 options:

by breathing the nitrogen present in the atmosphere

by consuming plants or other animals

by absorbing nitrogen found in the soil

by absorbing ammonia from bacteria growing in the roots of plants


How do decomposers affect the carbon cycle?
Question 3 options:

They release the carbon that remains in the bodies of dead organisms.

They change carbon dioxide into a form that organisms can use.

They absorb carbon from carbon dioxide in the atmosphere.

They prevent carbon from escaping into the atmosphere.

hich of the following processes does not produce carbon dioxide?
Question 4 options:


decomposition


photosynthesis


burning fossil fuels


cellular respiration

How does the carbon in grass become part of a lion?
Question 5 options:


The lion eats an herbivore that ate the grass.


The lion eats the grass.


Carbon from grass doesn't end up in a lion.


The lion breathes in carbon that was released by the grass.