There is an article missing in each line put a slash (/)where the article sold be inserted and write it down in the space provided (1) one evening my mother and I was sitting on cough ___

(2) we are talking about book which mother was reading___

(3) let's find out what it is as Riched kitchen area___

(4) my eyes to naughty a monkey staring at US___

english grammar​

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.