Question

Which of the following makes up the Earth's atmosphere?
A.
a mixture of gases and tiny solid particles
B.
the Sun, the Moon, and the stars
C.
a mixture of large solid particles and liquids
D.
all of the water on Earth

Answer 1

The correct answer is: **A. a mixture of gases and tiny solid particles**.

The Earth's atmosphere is primarily composed of gases such as nitrogen, oxygen, carbon dioxide, and trace amounts of other gases, as well as tiny solid particles like dust and pollen.