Where are deep ocean trenches formed?

If these tidal forces naturally cause synchronous rotation for each object, why is the Moon currently in synchronous rotation with the Earth, but the Earth is not in synchronous rotation with the Moon?

Difference between umbra and penumbra

What would be an authentic reason that someone might use GIS map data

Where can you find glacially scoured landscapes in Europe? What are these landscapes like?

How can you tell if the rock is igneous?

Explain why a baseball would go higher if it were thrown up from the surface of the Moon than if it were thrown up with the same velocity from the surface of Mars?

The arid expanse covering north africa is called

How did technology lead to geographic expansion and growth of cities in the midwest

What are living things use in water

What can teacher asks about Canada?