Three reasons a species could become extinct include, deforestation, being overhunted, not enough food available.
Answer:
Lake A: pH = 4.5; Lake B: pH = 7.5
Explanation:
I think that one because if you look on the acid vs base chart acid is from 0-6 and bases are from 8-14 and acids are less toxic, so you would infer that lake A has acid and lake B has bases.
i would have picked the ones closest to 7 ,which is neutral, but I'm not sure that a base can be lower then 7 so I didn't pick answer C
Answer is that the cells exist inside the body
Explanation:
i went to science class 1 time in freshmen year
What is the second question? If it is in a picture I cannot see it, just comment the question below and I'll see if I can help you :3