Question

which are made of matter? check all that apply. air bicycles sound waves people clothes sunlight trees

Explanation:

Matter is anything that has mass and takes up space. Air is a mixture of gases, bicycles are solid objects, people and clothes are made of various materials, and trees are living organisms, all of which have mass and occupy space. Sound waves are a form of energy and sunlight is electromagnetic radiation, neither of which have mass in the traditional sense of matter.

Answer:

air, bicycles, people, clothes, trees