A copper block (20°C) is placed in contact with a lead block (30°C), which is already in contact with an iron block (70°C). What will happen in this situation? Heat will flow from the copper to the lead and from the iron to the lead until the temperatures are equal. Heat will flow from the lead to the copper and to the iron until the temperatures are equal. Heat will flow from the iron to the lead and from the lead to the copper until the temperatures are equal. Heat will flow from the copper to the lead to the iron until the temperatures are equal.

The heat flows from iron block to lead block then it flows from lead block to iron block until the temperature of three blocks are equal.

Explanation:

Given data

Temperature of the copper block = 20 °c

Temperature of the lead block = 30 °c

Temperature of the iron block = 70 °c

We know that according to law of thermodynamics heat always flows from higher temperature body to lower temperature body Until the temperature of all bodies becomes equal.

Therefore in the given problem the heat flows from iron block to lead block then it flows from lead block to iron block until the temperature of three blocks are equal.

answer; i believe the correct answer is (solid gold);

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.