Succulents and cacti often have short, thick leaves with a waxy coat. What function does this structure serve? A) retains water

B) the plant uses less energy to grow these short leaves and conserves energy

C) prevents water from evaporating off leaves

D)all of the above

cell regulation is conducted by special proteins.

the dark variety, as they are not visible on the dark tree barks

explanation:

the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .