Too much greenhouse gases can be very detrimental to the environment. What would happen if we removed all of the greenhouse gases from Earth? A. Nothing would happen.
B. Greenhouse gases are nonexistent.
C. There would be only a minor temperature change throughout the day. D. There would be extreme temperature fluctuations throughout the day.​

The answer is D

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.

i believe the answer is pupils are unequal and non-reactive

the pupil of both eyes has different size, so you could say the pupil is unequal. pupil has muscle that makes it able to constrict itself according to the light intensity. when the doctor direct their flashlight to the eye, pupil should be constrict to reduce the light intensity. if the pupil doesn't change their diameter, it is called unresponsive.