Why is it unlikely that the frequency of muscular dystrophy in the human population will be reduced quickly by means of natural selection? a) natural selection acts only on homozygous recessive individuals b) muscular dystrophy is not a genetic disorder. c) the frequency of homozygous recessive individuals is too great. d) homozygous dominant individuals can have affected children.

i think the miocene epoch spans the time from 23 million to 12 million years ago.

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.