During a lab activity, students prepared two solutions separately at the same temperature. Later they mixed the solutions and the temperature
dropped. Why?
OA
There was no energy input during the chemical reaction.
B. Energy was absorbed during the chemical reaction.
Oc. Energy was released during the chemical reaction.
D. The temperature of the surroundings dropped.

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation:

i believe its escaped