The answer is b.
Internal fertilization takes more time and energy but it allows for the offspring to revive more devoted care. When an organism spends that much time and energy investing in an offspring it becomes worth the investment to devote more care towards it.
A few simple choices you can make to reduce your risk of cancer is wear sunscreen when in the sun, excersize regularly, eat healthily, get check-ups regularly from your doctor, avoid processed foods, and avoid obesity.
Your brain is a mechanism organ that produces hormones.
Hopes this helps!
