Which was an advantage of using DDT?

The major advantage of DDT at that time when it was used as a pesticide is that the DDT was very effective as a pesticide and it killed almost all the pests on which it was sprayed.

Explanation:

It killed all the insect and pests that was present in the

united states at that time.

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.