Multiple choice

Earth's four major spheres are the ____

  1. hydrosphere, geosphere, lithosphere, asthenosphere

  2. hydrosphere, asthenosphere, lithosphere, biosphere

  3. hydrosphere, atmosphere, geosphere, biosphere

  4. hydrosphere, atmosphere, lithosphere, biosphere

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Earth's four major spheres are the hydrosphere (water), atmosphere (air), geosphere (land/rock), and biosphere (living things).