Enzymes affect the reactions of living cells by changing the 1.products of the reaction 2.speed of the reaction
3. temperature of the reaction
4. pH of the reaction

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Match with o for organic and i for inorganic for each compound

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere