Cancer is more common in older people because-
1)Their immune systems have degenerated.
2)The supply of certain hormones declines with age.
3)Their bodies are unable to adjust to the changing environment.
4)They have accumulated more mutations
Cancer is more common in older people because-
1)Their immune systems have degenerated.
2)The supply of certain hormones declines with age.
3)Their bodies are unable to adjust to the changing environment.
4)They have accumulated more mutations