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Terrestrial

                   -20 to 30 degrees celsius average

                        (20 – 35 inches) of rain per year.

                     PLANTS: Grasses dominate temperate grasslands. Trees and large shrubs are rarely found in grassland areas

                gazelles, zebras, rhinoceroses, wild horses, lions, wolves, prairie dogs, jack rabbits, deer, mice, coyotes, foxes, skunks, badgers, blackbirds, grouses, meadowlarks, quails, sparrows, hawks, owls, snakes, grasshoppers, leafhoppers, and spiders.

            Grasslands are also known as prairies, pampas, steppes, and savannas.

Explanation:

fe 55.85 g/mol and h2o 18.02 g/mol.

the answer is d.) potassium