Explain why cells divide at different rates

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which are reasons cells undergo cell division?