Explain how the resistance of the heating element in an electric heater changes as it gets hotter and hotter, transferring thermal energy to the heater's surroundings at a faster and faster rate

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Moving down the ramp from 6 meters to

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area