Draw a lake and label the photic, aphotic, littoral, limnetic, and benthic zones.

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

What form of anesthetic was used for field surgery

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.