Which of the following is true?Group of answer choicesthe tropopause represents the upper limit of almost all weather in the atmospherethe jet stream altitude is coincident with that of the tropopausethe tropopause height is highest over the tropics and lowest over the polestemperature decreases with altitude in the troposphereall of the answers are correct

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel

How many structures do prokaryotic cells have in common with the eukaryotic cells? a. 2b. 3c. 4d. 5

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon