Explain how the crystals of an igneous rock are used to help classify it.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Adistinctive characteristic of mammals that is not observed in other vertebrates is

If you were given a map of the sensory cortex in the postcentral gyrus of the cerebrum, do you think the map would have more “space” devoted to the regions of the body that have the highest density of sensory receptors, or the regions of the body that have the lowest density of sensory receptors? explain.