Answer:second law of thermodynamics
Explanation:the second law of thermodynamics states that the total entropy of an isolated system can never decrease over time and is constant if only if all processes are reversible.
Answer: D. a structure that provides a specific service within a cell
Explanation:
Answer:
True
Explanation:
There are 9 essential amino acids which cannot be made by the body and have to be obtained from food.
They are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
Answer:
C. He shot tiny alpha particles through a piece of gold foil.
Explanation:
In the year 1911, Ernest Rutherford performed the gold foil experiment which gave a deeper perspective to the structure of an atom.
He simply collided a thin gold foil with an alpha particle which he generated from a radioactive source. He discovered that most of the alpha particles passed through the thin gold foil but a few were deflected back. His discovery led to the proposition of the nuclear model of the atom.
Five hundred twenty million, three hundred and forty thousand. hope it helps!
