Which action contributes to water pollution? O using biodegradable soap or detergent
O picking up litter
O picking up after a pet
O dumping chemicals down the sewer

it is d because CONTRIBUTES to water pollution meaning what gosenwith it and littering the chemical will affect it

b

explanation:

because i can

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.