This illustration shows the sky in an undeveloped area on a clear, dark night. What is the central glowing region that is brighter than the area around it?

the Milky Way galaxy
the Milky Way galaxy

the gas giant planets
the gas giant planets

the asteroid belt
the asteroid belt

the Orion nebula

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.