Was Africa and Arabia one Continant at one time in geographic history?

How can I use geography by my oral

The Sierra Nevada Mountains are extensively hiked and explored by people from all over North America and the world. True/False

Desertification Will typically increase the amount of erosion in an area Does not have any effect on the level of vegetation Decreases the amount of salt in the soil Increases the ability of the land to support life

The maps above show the arrangements of Earth's continents and oceans 65 million years ago and at present. Based on the maps,

Problems caused due to water scarcity

What processes can cause rock to break apart into sediment

The neritic zone is significant as a marine ecosystem because

Why is there more pressure at each layer going toward the center of the earth?

What's globalization

As water evaporates from a solution minerals become very concentrated and begin to forma rock what type of rock is it