Magma forms when solid rock in the crust and upper mantle

cools.

crystallizes.

partially melts.

vaporizes.

How is artificial selection different from natural selection? artificial selection changes traits but not genes. artificial selection is the only kind of selection that occurs in the modern era.

What three factors are needed to establish causation sociology?

In most mammals the placenta is essential to the embryo for the process of

Muskox have enough strength to smash through ice to graze on the vegetation beneath. True or false?

The cardiovascular system of a mouse works like that of a human. a mouse is moved from sea level (low altitude) to the top of a mountain (high altitude).

Why do cells need energy?

Trees that produce fruit, such as the Peach tree, belong to which of the following? a. angiosperms c. nonvascular plants b. gymnosperms d. seedless vascular plants

List three human activities that result in air pollution

what are the chances that a hybrid dimpled woman and a pure dimpled cheek man will have a child without dimples?

The nurse prepares to teach an adolescent scheduled for an appendectomy about what to expect. the adolescent says, "i would rather look this up on the internet." the nurse should: