Rocks that are subject to great heat and pressure over long periods of time are transformed into

sedimentary rocks
igneous rocks
metamorphic rocks
magma

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

The cluster of developing cells from conception until birth is called an

Explain the process that creates the heat of the sun?