what percentage of coral has been lost from the Great Barrier Reef since 1985 A. 30% B. 45% C. over 50% D. nearly 75%​

Who owned most of the resources in a market or capitalistic economy? in a socialist or command economy? what determines ownership in a traditional economy. (economies)

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 %.

According to the earth science reference tables, during which geologic time period were the continents of north america, south america, and africa closest together?