Why the answer is C not D?

Explain how organisms could be harmed by high levels of salt from roadways?

What is the identity of the planets?

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front