The energy output of a fan is 36 kwh. the fan is 75% efficient. how much energy is lost to the surroundings? a) 12 kwh b)36 kwh c)48 kwh d)84 kwh

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

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to