Answer: Hydrocarbons
Explanation:
Hydrocarbons refer to binary compounds of carbon and hydrogen. The carbon-hydrogen bond is no polar so hydrocarbons are non polar compounds. They are commonly used as fuels and as waxes. They may be aromatic, aliphatic or cyclic in structure.
Pyrite because it doesn’t sink it floats
Answer:
read it first
Explanation:
Population change is governed by the balance between birth rates and death rates. If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.
hope it helps
Answer:
(C) is the mechanism that increases the temperature between the photosphere and corona of the sun.
Explanation:
When a stars is converted from hydrogen to helium then this is known as proton -proton chain reaction.Due to this reaction the temperature between corona of the sun and photosphere increases.The main reason for increasing the temperature is exothermic reaction.
So the option C is correct.
(C) is the mechanism that increases the temperature between the photosphere and corona of the sun.
