which geographic features protected the roman empire from barbarian invasions until the 4th century A. D

What are the key agricultural products in Canada and the United States?

Which of the following are affected by environmental factors? 1) Housing 2) Folk tales 3) Traditional religions 4) Cuisine

What role does gravity play in the formation of stars planets and solar system

What are the characteristics of past mass extinctions?

How do you find the radius of a circle

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.