What is a deep valley caused when one section of the earths surface is forced downward?

What is Latitude Inverness Scotland? What makes the planets not crash into each other? Is puffball a flowering or non flowering plant? Why are bags called bags? What is the highest dormant volcano in the United STates? What can microorganisms do when living on or inside a larger organism's body? What are the different processes involved in nitrogen cycle? What are four factors that affects the amount of destruction caused by earthquake vibrations? Why is the sun spherical? What law is described by the fact that the ratio of the mass of oxygen in carbon dioxide to the mass of oxygen in carbon monoxide is 2 to 1? At which wavelength does benzoyl peroxide start to decompose? 66.5 degrees N and 90 degrees north and south latitude are called? What is a chart that shows all possible allele combination resulting from a genetic cross? How does the lunar eclipse affect a fiddler crab? Is grass and other plants a prarie dog eats part of it biotic factor? Where did divergent take place? What element is non metal and makes up the largest percentage of the air? What product do humans produce during respiration that are used by plants? What does a point below ppc indicate? How does the pituitary gland affect the menstrual cycle?