During convection of air currents,

a. all air rises.

b. cool air sinks.

c. warm air sinks.

d. air is cooled by a heat source.

Calculate the electric field strength between two parallel plates separated by 0.50 cm, across which is a potential of 12 volts.

Which term is used to describe all the different populations that live in a habitat? Adaptation Genetic diversity Natural selection Species diversity

Which is true? The net potential change around a closed circuit loop is zero. The net potential change counterclockwise around a closed circuit loop is positive. The net potential change clockwise around a closed circuit loop is positive.

Factors that affect your fitness health and wellness are called

The cart is initially at rest. Force F⃗ is applied to the cart for time Δ t, after which the car has speed v. Suppose the same force is applied for the same time to a second cart with twice the mass. Friction is negligible.

What eventually happened to the carbon dioxide in the atmosphere of early earth

Why arent insulators allowed in operating rooms

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's apparent backward movement is termed retrograde motion. D.

Why do charges build up in a cloud

How does the wave model of electrons orbiting the nucleus account for discrete energy values?