The topographic map below has a contour interval of 20 feet. points a an b represent location on earth surface

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Ascientist is examinin the cell is disrupted when she damages one specific type of macromolecule g the function of macromolecules in a cell she notices that movenent of large molecules into and out of

Examine the air pressure map. which type of line is shown on the map?