A student was asked to state the disadvantages of using biomass as an energy source and said that there are no disadvantages. Which of the following best evaluates the response of the student?

let that person have a turn to speak : )

can you attach the

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

a is the correct answer