Which gas is inferred to have been absent from earth's atmosphere during the early Archean era

Which of the following is part of the lithosphere? A. inner core B. outer core C. All of the mantle D. crust and outer part of the mantel

What factors was likely responsible for the location of Europes first civilization?

scientists classify rocks into three different types what are the main basis for the classification system they chose?

Match the city in column 1 to its description in column 2. A. Shenzhen B. Tianjin C. Nanjing D. Guangzhou Located near Beijing; has agriculture and manufacturing. Former capital of China with rich history and culture; large manufacturing center.

Arteries does are part of the

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.

Which is stronger land building or erosion? write a paragraph answering this question