This object was observed in 1997.

the object in the picture is a/an
.

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.

Amoeba sisters video recap pedigrees

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the