Answer:
Igneous rocks contain randomly arranged interlocking crystals.
Explanation:
The size of the crystals depends on how quickly the molten magma solidified:
magma that cools slowly will form an igneous rock with large crystals
lava that cools quickly will form an igneous rock with small crystals
Answer:
There are three elements . They are 1,{1},{1,{1}}. Definition of set says that it should be collection of “well defined” objects.
<span>The answer could be allopatric or sympatric speciation
depending on the cause of speciation. A population living in the same habitat
could be separated by a physical barrier hence restricting gene flow in the population.
On the other hand, sympatric speciation refers to the formation of different species
from a population that is in the same habitat and geographical area without any
physical separation. This could be due to differences in mating tendencies of individuals
in the population </span>
