Which phrase is the best description of a space probe? A. A telescope that allows you to see the Sun's surface

B. A rocket that has a very large amount of thrust

C. A spacecraft that can carry people to the Moon

D. An exploratory spacecraft that does not carry people

What is the primary purpose of a game reserve?

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

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 %.