When did Mount St Helen's erupt? And what time was it?

How do fold mountains occur?

7 girls or 5 boys can do a piece of work in 37 days if then in how many day does 7 boys and 5 girls can do double of that work?

Because of years of war, educational opportunities were limited in Afghanistan. The Masrours moved to India so their children would receive a better education. Select the concept that is described by the paragraph above.

This refers to both a people (located on mainland of Europe) and a language (spoken there and also in parts of Canada, the Caribbean, and the African continent).

Which of the following describes how a subsistence farmer uses land? leases it to several other farmers for extra income grows food and tends livestock to provide for a family sells drilling rights to part of the land to a natural gas company sets

The lengths of the worms in inches are listed here

Scientists who study rock formations in caves describe some of the formations as "living rock" because, under certain conditions, they increase in size.

Pieces of ice that break off of a glacier and drift out to open sea are:

Landslides, mudflow, slump and creep are all examples of a. constructive force c. mass movement b. deconstructive force d. none of the above

Which of these protects Earth from harmful radiation when in the stratosphere but is a pollutant at lower altitudes? carbon oxygen ozone hydrogen