Answer:
the correct answer is D
Explanation:
skin excretes sweat; lungs excrete carbon dioxide; kidneys excretes urine so these organs excrete metabolic waste because if you have learnt about the excretory system, you will come to know the process of excretion and how we humans excrete metabolic and toxic waste from the body.
The answer is C. It acts as a cushion between bones and protects them as they move against each other.
Answer- you would use a Punnet Square to cross the kinds. In order to know which ones to use, you'd have to test them all. Without knowing what each letter codes for it is hard to show