Which of the following do scientists claim is evidence of climate change
is it
a. rising global temperatures
b. falling global temperatures
c. falling sea levels
d. rising air pollution

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

Which of these events was a severe setback for the u.s. war effort in the pacific?

What is a characteristic of hunter-gatherer societies?