Question

select the group that consists entirely of matter

cells, neurons, thoughts

candles, iron, air

light, rocks, sound

politics, trees, tables

Explanation:

Matter is anything that has mass and takes up space. Tables, trees, and pillows are all made of materials that have mass and occupy space. Colors, emotions, light, and sound are not matter as they do not have mass and do not occupy space in the physical sense.

Answer:

Pillows, trees, tables