What causes a solar nebula to initially begin to form a solar system?

State reasons for variations in type, quality and quantity of minerals.

On this map, identify which letter is over a mid-ocean ridge

Considering how much of the Earth is covered by water, then most of the Earth's surface (crust) is actually below sea level.

The vertical axis of an hr diagram represents the temperature of the star. answer true false

1/5 of the worlds population lives in China true or false

When were the chocolate hills discovered?

maria receives a cake order for charity event from a company. She uses 375g of flour, 250g of cocoa powder and 300g chocolate for a one kilogram cake. If the company orders a 7kg cake, what is the ratio of each of the ingredients that she needs?

How many states are north of the equator

Explain how the types of mountain landforms are related to one another.

Explain how natural actions such as weathering, erosion (wind, water and gravity), and soil formation affect Earth's surface.