Reservoirs prevent flooding.
a. true
b. false

Yes because if the water gets too high it will fill the reservoirs before it gets to land so its true

Reservoirs do help prevent flooding so the answer would be 
A. True

Hoped that helped u ;)

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.