The Milky Way Galaxy contains approximately how many stars? a) 100,000 b) 100,00

Question

The Milky Way Galaxy contains approximately how many stars? a) 100,000 b) 100,000,000 c) 2,000,000,000 d) 200,000,000,000 e) 500,000,000,000,000 The Universe has approximately how many galaxies? a) 100,000 b) 1,000,000 c) 1,000,000,000 d) 100,000,000,000 e) 100,000,000,000,000 If the entire Earth's history could be condensed down into a 12 hour movie, then the Pre-cambrian would be on a) 30 minutes b) 2 hours c) 10.5 hours d) 11.5 hours e) 11 hours, 59 seconds a-true, b-false. Reptiles appeared in the fossil record before amphibians.

Explanation / Answer

Answer 1. 200,000,000,000

Answer 2. 100,000.000,000

answer 3. Cambrian period started from 3850 million years and ended around 550 million ago.

so the answer will be 10.5 hours

4. amphibians were the first to evolve as they evolved from fishes. so the answer is false

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.