Which of the following is a reason conflicts over zoning decisions can become a decisive issue a. zoning decisions are often wrong and result in significant financial hardship for a city b. zoning decisions do not always change over time and can become antiquated c. establishing zoning types is an expensive process d. zoning regulation prevent me business from competing with established businesses

Option C

Explanation:

Zoning decisions require lot of effort and inclusion of legislative authorities due  to which it becomes a costly affairs.

Various bureaucrats, planners, social activist, land authorities and legislative members are  involved in zoning related decision making. Most of the decision require curtailment of social support as well and in order to achieve so or in order to know so some sort of expenditure on survey, opinion gathering are required.

Hence, option C can be a decisive issue .

1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.    

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation:

human didn't come from monkeys man i hate these stupid teachers