Answer:
Villi, alveoli and nephrons are similar as :-
B. They provide large surface areas for molecular exchange.
Fission, in biology, is the division of a single entity into two or more parts and the regeneration of those parts into separate entities resembling the original. The object experiencing fission is usually a cell, but the term may also refer to how organisms, bodies, populations, or species split into discrete parts.
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B. Using less fossil fuel to meet energy needs
Answer:
Solution:
plant's takes <u>carbon</u><u> </u><u>dioxide</u><u> </u> ,<u>water</u><u> </u><u>,</u><u>sunlight</u><u>,</u><u>and</u><u> </u><u>minerals</u><u> </u>and produce <u>glucose</u><u> </u>and excrete out <u>oxygen</u><u>:</u>