How Long Does It Take for Earth to Make One

Q2: Earth's surface is protected from extreme temperature

Q3: Earth's age is estimated at _ years.<br>A)

Q4: Arrange the following life forms in their

Q5: An error in time of two minutes

Q6: Lines of latitude are known as meridians.

Q8: Relationships between oceanic depths or land elevations

Q9: A time zone is approximately _ degrees

Q10: The Big Bang occurred roughly _ years

Q11: Water covers _ percent of Earth's surface.<br>A)

Q12: The greatest mass extinction of all time,