Answer:b) atoms
Explanation:which are in turn made up of protons, neutrons and electrons
Answer:OD. a hummingbird moving at 25 mph
Explanation:
Answer: Hi!
A terrestrial planet is composed of a solid substance like rock or earth. A few examples are our planet, Earth, and the red planet, Mars. These are the planets that are the closest to the sun. There are four terrestrial planets in total. The only known terrestrial planet that has life, however, is our own, Earth! Earth has the perfect conditions for supporting life forms.
Hope this helps!