When a comet nears the sun what happens to its nucleus
it becomes solid
it becomes visible
it disappears
it becomes gas

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions