How would the speed of earth's orbit around the sun change if earth's mass increased by 4 times? a. it would increase by a factor of 2c. it would decrease by a factor of 2b. it would increase by a factor of 4d. the speed would not change

Correct answer is D.)The speed would not change.

The keyword is "mass"

If it were to say "distance" the answer would be C.) It would decrease by 2

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.