Answer:
Replace the concentration description with their value
Blubber
The cell membrane is selectively permeable
Passive transport
From low concentration to high concentration
Answer:
Explanation:
Im pretty sure its C "all living things"
The building blocks of a habitat consist of ENVIRONMENTAL factors.
B goes to the second one A goes to the first one D goes to the third one and C goes to the fourth one I believe. I hope that helps