your answer for this question is B)
The continental crust is made up of rocks that consist primarily of silica and alumina called the "sial". The next layer of the Earth is called the mantle.
Answer:There are many reasons as to why Democracies are struggling to establish a free market system. The most important factor is because there government is corrupted. Just wanted to give an idea :)
Explanation:
North to south (opposites attract ;) )
Answer:
gregory mendel used cross pollination to obtain the offspring