The Cryosphere is basically ice, and bears interact with it because polar bears use the ice to help them fish and they dig into the ice to make dens.
Answer:
Islam spread so quickly because more and more people started to believe and understand what the prophets were saying. When Muhammed (the last prophet) got what Allah was saying, he told people and they told other people and when they started to ask questions, Islam had all the answers.
Explanation:
Atoms usually engage in chemical reactions which will end in complete outer electron shells. Most of the time, a complete outer shell usually means 8 electrons, except for a couple light elements which only require 2 electrons to have a whole outer shell.