Answer:
I'm pretty sure it's a and b. Sorry if I'm wrong.
Answer:
Formation of the planets. The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation. ... These rocky bodies would become the terrestrial planets (Mercury, Venus, Earth, and Mars).
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Some of the earliest forms of customer service is goods and services would come to you. Peddlers went to houses, doctors did hours calls...etc
