Fossils can not be formed in igneous rock because before it cooled from the liquid magma state, any renants of fossils would be destroyed and melted... they form in sedimentary because thats where they can be buried and perserved the easiest, metamorphic would destroy them from the pressures and temperatures involved in there formations
"For example; water is a covalent compound which is formed by the covalent bonding between hydrogen and oxygen atoms."
The first animal was called the comb jelly
Answer:
An electron will jump to a higher energy level when excited by an external energy gain such as a large heat increase or the presence of an electrical field, or collision with another electron.
Explanation:
hope it helps you
Answer: either B, or D
Explanation:
because one of those are the answer
