Rosa uses a microscope to look at a group of cells. she sees that the cells are joined together, so she knows that they are from one organism. She also sees that all of them have cell walls. Rosa could be looking at... * please help me

b. read the phase at the intersection of any given temperature and pressure.

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.

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"