Answer:

Step-by-step explanation:
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Answer:
they're similar to visible light except their wave length is much shorter, causing them to be invisible to the naked eye
Answer:
b. it's a natural thing for humans
Explanation:
According the the section of the "carnivore's dilemma," it is a natural thing for humans to be vegetarians. The author provided some evidence by stating that many doctors believe that "humans are naturally herbivores."
Physically speaking, humans do not have sharp claws (like usual carnivores) and sharp teeth for ripping meat. So, this means that humans are not meant to be carnivores. Thus, it is just a natural thing that for humans to eat vegetables rather than meat.
So, this explains the answer.
The first one 3y = 2x - 12.
The graph is the line y = 2/3 - 4. And the first answer describes the same line multipled by 3.