the compound is B.
Water is a compound because it is made up of water molecules.
The lithosphere, hydrosphere, and atmosphere are the abiotic parts of the planet.
Answer:
All objects in motion do posses kinetic energy.
Explanation:
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The atomic mass of element is the weighted average atomic mass of the element with respect to the abundance of the isotopes of that element
atomic mass is the sum of the products of the mass of isotopes by their percentage abundance
atomic mass = 15.000 amu x 5.000 % + 16.000 amu x 95.000 %
= 0.7500 + 15.200
atomic mass of element is therefore 15.950