Which statements about copper are true? Select all that apply:
1:Copper is evenly distributed through the United States.
2:Copper is an important part of electrical wiring.
3:Copper deposits are in the form of minerals.
4:Copper deposits are very easy to reach.

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.

idk let me see fdfdgdg