Answer:
Hydrogen was discovered by the English physicist Henry Cavendish in 1766
Explanation:
Scientists had been producing hydrogen for years before it was recognized as an element. Written records indicate that Robert Boyle produced hydrogen gas as early as 1671 while experimenting with iron and acids.
Answer:
b. decreases
C. neither a physical change nor a chemical change
light work
That they are different.. because they have the same mass but different densities
I think the correct answer from the choices listed above is the second option. When two hydrogen atoms enter the ETS as part of either NADH or FADH2, the two hydrogen atoms are split into two H+ and two electrons. Hope this answers the questions.
