What refers to one landmass made up of all the modern continents

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

In order from largest to smallest what are earths five main oceans

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule