A student examines the single layer of flat cells that covers the outside of a plant’s body using a microscope. Which of these correctly identifies this type of tissue with its function? A. Ground tissue is specialized for the storage of water, sugar, and starch.
B. Vascular tissue transports materials throughout the plant.
C. Dermal tissue protects the plant and prevents water loss.
D. Epidermis tissue contains chloroplasts and carries out photosynthesis.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

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.

i believe the answer would be b. hope it : )