Choose the object that would provide the best greenhouse effect.

a glass jar with a lid poked with small holes
a convertible car
a box sealed with a cotton sheet
a box sealed with clear plastic

a box sealed with clear plastic

Explanation:

odyssey ware

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.