A.moves from higher concentration to lower concentration
I think it mite be d.....hope this helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Maintaining a courteous attitude while driving can be difficult yet there is a technique to have it.One is having a positive attitude. Examples would be being tolerant to other road users, forgiveness as well as recognition that people would make mistake. A sense of humor and a helpful attitude towards driver.
I think the answer is B i could be wrong but that’s my guess
Answer:
I believe you just answered it yourself. they development an immunity to insecticides the more they are exposed to it.