What is the function of the midbrain?
a. Heart Rate, Involuntary Swallowing, Digestion, Breathing, Sleep
b. Regulation of Breathing
c. Information relay to forebrain, wakefulness, drowsiness, involuntary movements
d. Vision

Which is true of the regious near earth equator

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?