Answer:
Diffusion is a passive process
Answer:
A. Integumentary system
Explanation:
The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.
The skin also helps in Vitamin D production through sunlight.
It also helps to prevent dehydration through regulation of water loss.
What are three freshwater environments?
1(Rivers
2(Lakes
3(Streams
False. I don't know how to explain it but they don't classify as living.
