6. Describe how El Nino occurs. -El Nino occurs when warm water builds up along the equator in the eastern Pacific.

-El Nino occurs when cold water builds up along the equator in the eastern Pacific.

-El Nino occurs when warm air builds up in the atmosphere and it speeds up the water
cycle creating warm Eurrents.

-El Nino occurs as a result of acid precipitation warming the currents it flows into.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous