Answer:
Solute concentration is 23.81% and solvent concentration is 76.19%.
Explanation:
Solute = 25 g of sugar
Solvent = 80 g of water
Solute concentration

Solvent concentration

The solute concentration is 23.81% and solvent concentration is 76.19%.
1492 is the year he set sailed
I believe the answer is The Fireside Chats.
Answer:
Correct answer is by sending Soviet troops to Afghanistan.
Explanation:
Brezhnev doctrine was focused on the reaction of Soviet troops in the areas where the Socialism was endangered.
That is why the last option is correct as Soviets reacted with military assistance in Afghanistan.
All other options are not correct as they are showing the readiness of Soviet Union to lower the tension in certain period of crisis.