Central processing professionals are not required to monitor exposure to which of the following?

1 a

2 d

3 a

4 c

explanation:

did anyone actually do this? like if anyone has submitted this i rly need .

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.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter