Answer:
Vein
Explanation:
Veins are the ones that keep you alive because blood goes inside the vein
Proteins, Ribonucleic acid is another kind of organic molecule that also acts as a catalyst for chemical reactions. Asides acting a catalyst for chemical reactions, proteins have a wide variety of functions that they perform in in living cells.
Answer:
smaller
Explanation:
organs which are made up of tissues, and are therefore larger than tissues. ... They are therefore larger than organisms.
The area around the rock will have weathered down and the rock will eventually either break or it will fall down the mountain
Trophic cascades are interactions with much power that control an entire ecosystem when suppressed
