You are cooking beans over a campfire. by the light of the fire, you read that one serving of beans is 120 calories. after eating the beans, you go for a hike along a stream. all of the items described here have energy. identify the form of energy each contains.
potential energy
kinetic energy
options:
firewood
beans
flames
hiking
moving water

An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.

Which of the following list the divisions of the geologic time scale in order from longest to shortest

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.