Answer:
d. Because those chemicals are easily made when CO2 reacts with water, forming H2CO3 (via carbonic anhydrase
D. As more electrons are added to an element, the number of electron orbitals being filled increases
<span>1s2, 2s2, 2p6, 3s2, 3p6, 3d5</span>
Answer: Green is 550 nm and blue is 470 nm
