How can variations in genetics lead to natural selection

Genetic variations are the differences in DNA segments or genes between individuals and each variation of a gene is called an allele. ... Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population.

Explanation:

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)

1. glacier movement over the crust.

2. upwelling from the water table.

3. formation of a terminal moraine

explanation:

lakes can be formed as a result of these three options.