1. synthesis reaction
2.reversible reaction
3. decomposition reaction
4. exchange reaction
<span>Answer D is not correct, as gymnosprems are used widely for consumer goods such as lumber, soap, and nail polish.
Answer C is not correct event though wheat and corn are two of the main foods supplied to people in the world.
Answer B is a very subjective question, because some people argue that selective breeding helps agriculture, while others do not.
The correct answer is A. The green revolution was a period of scientific discoveries that lead to an increase in the supply of food worldwide.</span>
Answer:
C) It is a pair of alleles that codes for a trait
Explanation:
Genes are made out of DNA and they determine the characteristics and traits one has.
The correct choice is the third movement of continents
<span>maintains a constant INTERNAL environment
so other options included internal variable and external environment. but its internal and environment</span>