Answer:
B. An astronaut in a spaceship
<u>Isolated</u><u> </u><u>system</u><u> </u><u>:</u><u>-</u>
In an isolated system, there is no transfer of energy or matter between the system and the environment.
Hope it helps!
About one billion years, so A
I would definitely say that's false.
hope this helps you!:-)
Answer: from the lies this is synthesis reaction
Explanation:
It's also oxidation-reduction reaction. Li is oxidised and
H is reduced