If sickle cell disease were caused by only one copy of sickle cell allele do you expect the frequency of the sickle cell allele to increase, decrease or remain he same In places where there is high incidence of malaria

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

i think the answer is 95 hope this

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.