I protect and filter, altering conditions while remaining hidden from sight. What am I?

Category: Science · Difficulty: expert

Hint: Consider layers that surround our planet.

Answer

An atmospheric layer

Explanation

An atmospheric layer protects Earth from harmful radiation and regulates temperature.

This is a expert science riddle — one of the harder riddles here. The answer is An atmospheric layer.

More Science riddles

All Science riddles · Riddles with answers · Home