It is a ,d and c just make sure tho
<span>C 13 has
Protons = 6
neutrons = 6
electrons = 13-6</span>
A, the chloroplast is where photosynthesis occurs
An increase in the atmospheric concentrations of greenhouse gases produces a positive climate forcing, or warming effect. From 1990 to 2015, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 37 percent.
