Answer:
Skeleton and the skeletal system
Explanation:
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:
It is a unit for volume.
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Answer: association neurons
Explanation: