1.?When population ____ by artificial means, it _____ and puts more strain on limited natural resources.
?a) isn't checked / increases
?b) not checked / increases
?c) wasn't checked / has been increased
?d) wasn't checked / increased
Dear Student,
Option (a) is the correct answer.
When population isn't checked by artificial means, it increases and puts more strain on limited natural resources.
Regards