Select the correct answer.
which type of rock is formed from cooling molten rock?
a.
igneous
b.
magma
c.
metamorphic
d.
sedimentary

Eristics do scientists use to distinguish between organisms in different kingdoms

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred