Which of the following statements is false? A. Disruptions in an ecosystem are normal and natural changes.

B. Disruptions in an ecosystem are only caused by tornadoes, hurricanes, and floods.

C. Disruptions in an ecosystem are caused by both human activity and environmental disturbances.

D. Ecosystems are complex, interactive systems that include both biotic and abiotic components of the environment.​

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

What materials must dams have to produce electricity, and what must occur?

Some substances but not other can cross the (blank) membrane of a cell