Which characteristic of the sun is most responsible for keeping the planets in orbit?

a) it’s mass

b) it’s color

c) it is made of hydrogen and helium

d) it is located in the center of the solar system

The last photo u wonder what is this telling me to do?

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.