The four basic forces are ____________________, ____________________,

____________________, and ____________________. Fill in the blank(s) with the appropriate word(s).


gravity, electromagnetic, strong nuclear, weak nuclear

Environmental & Atmospheric Sciences

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The area of ocean needed to sustain the consumption of fish for an average person, nation, or the world is called the

a. footprint b. ecological footprint c. biodiversity print d. fishprint e. foodprint

Environmental & Atmospheric Sciences

Using the same input data, one can always derive the same slope layer from different GIS packages.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

The two most common igneous rocks are basalt and granite. Basalt is commonly found ________ and granite is found ________

A) on the ocean floor; on the continents B) on both the ocean floor and continental land; only on the continents C) on the continents; on the ocean floor D) on the ocean floor; on both the ocean floor and on continental land

Environmental & Atmospheric Sciences

What factor is rarely a difficulty for marine organisms?

a. salinity b. pHhydrostatic pressure c. iron availability d. iron availability

Environmental & Atmospheric Sciences