Is there another planet that is stable for life

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical