What is the name of the star closest to Earth?
OA) the Sun
OB) Betelgeuse
OC) Alpha Centauri
OD) Proxima Centauri

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

How have the greenhouse gasses increased from the year 2000 to 2018