Simple diffusion is.........
Answer:I think it is oxygen
Explanation:
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Yes they are living animals to.
Answer:
Nitrate
Nitrate is the form of nitrogen most used by plants for growth and development. Nitrate is the form that can most easily be lost to groundwater. Ammonium taken in by plants is used directly in proteins. This form is not lost as easily from the soil.
Explanation:
The correct answer is option A, thymus gland
Reason -
The thymus gland is responsible for producing T-cell for the immune system. It is usually active till puberty and then it is replaced as it shrinks down. Though this gland has a short life but it plays a major role in developing the immunity system. For instance if someone has born without a thymus gland , then the person’s body will never be able to produce T –cell or thymosin which is very essential for the immunity system development.
