Why Are Some Conservation Biologists Concerned That the Polar Bear

question 17

Multiple Choice

Why are some conservation biologists concerned that the polar bear will be extinct by 2050?

• A)Over-hunting will decrease the population.
• B)Polar bears are in competition with brown bears.
• C)Increased snow will fall in the Arctic and the bears won't be able to hunt.
• D)The seal population will decrease,and the bears will starve.
• E)Arctic ice caps will melt and the bears won't be able to hunt.

---

Definitions:

Time

The ongoing and continuous sequence of events that occur in succession, from the past through the present to the future.

Capacity

The maximum amount or volume something can contain or produce, often used in contexts like battery storage, production capabilities, or load bearing.

Perform Work

The act of applying energy to accomplish a task or move an object through a distance.

Locked-rotor Torque

The torque that a motor generates at standstill when voltage is applied but the rotor is not yet turning.