What to study in geo chp class 9 important things​

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

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 %.

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .