I’m supposed to be finding the distance between the S and P waves I’m not sure if I’m doing it right I’d appreciate some help I think the answer to the first one is 33 minutes

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

After considering options, a student using the problem-solving process should next