Which example best describes a process of how solar energy can be used to heat a home

1. sunlight hits copper tubes filled with water the heat up and circulates to the house

2. sunlight is reflected off a roof top causing the house to heat up

3. sunlight causes a special chemical to boil and give off steam

4. sunlight turns a turbine that has been placed on top of a house

What was a major component of reaganomics? 1. the belief that tax cuts to the wealthy would trickle down to the less fortunate. 2.the belief that providing tax cuts to lower-socioeconomic americans would boost the economy. 3.the belief that boosting home ownership would lead to americans having an investment in the economy. 4.the belief that correcting the business cycle would boost output and reduce unemployment.

The "nationalists" and fascists battled against the "republicans" and communists in a civil war in the 1930s in

Why was the nationalist party more popular in china’s cities than in the countryside?