The Gulches is an area of volcanic rock that is gashed by many channels that lead downhill from the site of a prehist...

Abigail on November 29 at 02:13AM

break down

Can someone please explain d vs e?

Create a free account to read and take part in forum discussions.

Already have an account? log in

Emil on December 8 at 11:18PM

Hi, we have support for and since the passage tells us that the channels show physical evidence of being formed quickly. This implies that physical evidence can show how fast or slow a channel in rock formed.

We do not have support for E. Scientists rejected a theory, but they never rejected the evidence itself.