Which of the following is true of Earth's atmosphere?

Question

Quizplus · Accepted Answer

Earth's atmosphere acts as a shield against harmful UV radiation from the sun while allowing visible light to pass through. The top of the atmosphere is considered to be around 100 km from the Earth's surface, not 320 000 km. The temperature range mentioned in option D is incorrect as well, as the temperature can vary depending on the altitude and location within the atmosphere. Option A is incorrect as well, as the atmosphere is not the sum of all physical weathering on Earth - it is the layer of gases that surround our planet.

Which of the Following Is True of Earth's Atmosphere