What lead to the discontinued use of DDT? What were its effects on people? Nature? People- Nature-

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

can you attach the

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.