You can mix them by the same thing of generic
Choice B:
More photosynthesis leads to more oxygen in the atmosphere and oceans.
Protons have a positive charge. The number of protons in a nucleus determines the identity of the atom (element) and this number is called the atomic number.
D. Proton
Likely he will be diagnosed by the hospital as seen as a risk constantly for violence with others. This isn't uncommon in people with drug abuse, or someone who has come from an abusive household. It's quite likely he has faced abuse and may suffer from an emotional mental health disorder. (IE manic depressive disorder, anger issues, or purely a sociopath)