Which of the following events are correlated but do not necessarily have a causal relationship?
a. a dog snarls and barks at a baby, who immediately starts crying.
b. a student stays up late doing homework, and he is very tired the next morning.
c. a rope climber lets go of her rope, so she quickly falls to the ground.
d. a teacher drops a box of chalk, and her chalkboard cracks a few minutes later.

Which is not a claim kennedy made? a. the fact that communist cuba is so close to american soil is one reason we need to accelerate our space program. b. his decision to shift the study of space to one of the highest american priorities was one of his most important decisions as president. c. within these last months at least 45 satellites have circled the earth. (i think it's this one) d. the mariner spacecraft now on its way to venus is the most intricate instrument in the history of space science. i need this answer really quick, so .