Why might polar bears become extinct? A.) Did not have any Predators.
B.)They're take for is not suited for a warming climate.
C.)Too many people hunt them.
D.)They may drown when the glaciers melt.​

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Eutrophication caused by human nutrient pollution.

What best describes emerging scientific ideas