Answer:
(C RNA can catalyze biological reactions and most likely appeared before DNA.
Explanation:
From my knowledge, I believe...
RNA most likely appeared before DNA and is known to be an unstable molecule.
<em>kiniwih426</em>
Answer:
The spleen acts as a filter for blood as part of the immune system. It also helps fight against certain kinds of bacteria that cause pneumonia and meningitis.
Answer: 45 J
Explanation:
The formula for work is force x distance.
W = fd
W = (30 N)(1.5 m)
W = 45 J
Root Hair. ( I think that is correct not 100% sure)