Question

which interaction contributes to the greenhouse effect?
gases in the atmosphere absorb heat.
dust particles scatter and reflect light from the sun.
green visible light is trapped in earth’s atmosphere.
light travels through a thick part of the atmosphere at sunrise and sunset.

Explanation:

The greenhouse effect occurs when greenhouse gases (like carbon dioxide, methane) in Earth's atmosphere absorb and re-radiate infrared heat energy emitted from the Earth's surface, trapping heat and warming the planet. The other options describe different atmospheric phenomena: dust scattering light is related to atmospheric haze, green visible light is not trapped in a way that drives the greenhouse effect, and light traveling through thick atmosphere at sunrise/sunset causes red-tinted skies, not the greenhouse effect.

Answer:

A. Gases in the atmosphere absorb heat.