The cross section below represents a plunge pool that formed at the bottom of a waterfall. The plunge pool at the bottom of the waterfall was formed mainly by

1) deposition
2) evaporation
3) precipitation
4) erosion​

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

On his trip to the galapagos islands, darwin determined that animals on the islands