Attribution studies focus on determining whether or not earth's climate has changed in a statistical sense.

a.) yes

b.) no

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 weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

What is the amount of organic matter in all living organisms in a habitat called?