Answer:
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. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Explanation:
hope this helps...
and if u didn't get it its veins...
Personally, I would say it is C but I'm not 100% sure
The answer to this would be D: eats mostly or only foods that are plant-based. this would be because all the others are false, vegetarians can get all the essentials from plants and nuts and stuff, they just don't eat meats.
-hope this helps :3
Its probably personal beliefs or peers. because if your religion doesn't allow you to have sex until a certain age or until your married then that can get in the way. but peers pressure friends/people into doing things they aren't ready for
Answer: b. -CH_2OCH_3
Explanation: -CH_2OCH_3 has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds