The picture of the incan city of machu picchu that shows an agricultural technique used by incan farmers who adapted to their mountainous environment. describe the agricultural technique.

Tides that occur during the new and full moons

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

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?