Answer: Skeletal system Explanation:
There are 4 thing that need to happen for natural selection to occur:
1) reproduction
2)heredity
3)variation in fitness or organisms
4)variation in individual characters of the population.
The steps that the U.S has recently taken to counter cyber crime include; Setting up a system of voluntary cyber-security standards, and also opening a new center dedicated to managing cyber activities. Cyber crimes are crimes that involves a network and a computer, a computer is used as an instrument of further illegal ends. Cyber crimes may threaten a person or a nation's security and financial health.
C is what i think is correct.
