The answer is A. nuclear energy
the other answer choices are all renewable sources of energy.
hope this helps
Answer:
they share similar biotic and abiotic factors
Explanation:
"Semi" means "to<span> some extent or degree", and "permeable" means "allowing material to pass through." Combine those two meanings, and you have the definition of semipermeable.
The phrase that explains "semipermeable" is "allows some material to pass </span>through" or "is partially able to allow material to pass through." Hope this helps!
The answer is (D) the hydra remove undigested food out it expels food by using a special opening for that porpose.
Bottom-up processing
top-down processing
I hope this helps and have a wonderful day filled with joy!!