The best answer to go with is b
4.6 billion
have a nicelysuperdooperlicioustastic day
Answer:
Planet Earth is similar to Venus and Mars. 1. They are all planets. And how they are different they are different sizes and have different types of weather and only life can live on Earth instead of Venus and Mars.
Explanation:
Answer:
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, pluto (if u count pluto)
Explanation:
There are fish and of course water but there is also a dam used for hydroelectricity