Answer:
A machine have 75% efficiency means 25% of efficiency has been lost due to friction and a machine can work 75% only.
Answer:
A nucleus collides with a neutron and splits, releasing energy.
Explanation:
Answer:
B. People live longer than they used to
Explanation:
None of the other answers are correct.
Answer:
they're close to filling their outer shell, fulfilling the octet rule
Explanation:
Answer:
Crossing over Mitosis
Explanation:
A process called meiosis ensures siblings share just about 50% of their genotype. That's how siblings can have different DNA. Meiosis is a form of cell division that is only used to produce a special category of cells, called gametes.
