If pr = 4x – 2 and rs = 3x – 5, which expression represents ps?

a line with the following points labeled left to right: p, q, r, s.

x – 7
x – 3
7x – 7
7x + 3

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

What is the relationship between groundwater and aquifers?

Canada must balance the economic opportunities offered by its natural resources with the need to maintain links to the united states maintain high tariffs preserve the environment protect its borders