In brazil, the indigenous population was around 3.5 million before the arrival of europeans. today, the indigenous population is around
a. 500,000
b. 200,00
c 1.5 million

The earth's internal process which drives seafloor spreading is

Which age groups shows the graestest diferrence between males and females

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 %.