A house has no photovoltaic cells but is so that the back of the house is buried in a hill. The front of the house is made up of windows that face south. These windows allow the sun to heat the house. This is an example of which of the following? Active solar energy

Passive solar energy

A solar power plant

A nonrenewable recourse

the match duh

explanation:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers