Which of the following does NOT describe the heart? a)The heart has two pumps
b)All of the muscle tissues of the heart do not contract at the same time
c)The heart has two chambers with specific tasks to do
d)Different parts of the heart contract at different times

-Thankyou <3

i dont know this but ask your teacher for !

allowed for the prediction of the properties of missing elements.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.