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

B.Sunlight is reflected off a roof top causing the house to heat up

Explanation:

Solar panels are usually on top of a house. The sunlight is reflected on the top of the house into the solar panels. The heat is then put into the house causing it to get warm.

Hope this helps!

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.