Answer:

Explanation:
We have given mass of helium nucleus 
Velocity of helium nucleus 
Momentum of the helium nucleus is given by
where m is mass and v is velocity
So
Answer:
Soils develop faster in warm, moist climates and slowest in cold or arid ones. Rainfall is one of the most important climate factors in soil formation.
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Pressure is defined as the force per unit area on a body.
It is considered a substance because it has a uniform and definite composition.
D.4
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