Why does it take less energy for a stream to pick up larger silt grains than smaller silt and clay sized particles?

What will be an ideal response?


Answer: Small silt and clay sized particles have cohesion forces, so additional shear stress is required to overcome the cohesion as well s the weight of the grains.

Environmental & Atmospheric Sciences

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There is a large push to tap domestic oil supplies. Do you agree or disagree, and why?

What will be an ideal response?

Environmental & Atmospheric Sciences

When contrasting catastrophism with uniformitarianism,

a. catastrophism was published first and proposed that all of Earth's landscapes were formed by a single catastrophic event, whereas uniformitarianism, which was published over a century later, proposed that the physical, chemical, and biological processes that operate today have also operated in the geologic past. b. catastrophism was published first, and it proposed that Earth's landscapes were formed by catastrophic events. On the other hand, uniformitarianism was published over a century later and proposed that the physical, chemical, and biological processes that operate today have also operated in the geologic past. c. catastrophism was published first and proposed that Earth's landscapes were formed by catastrophic events, whereas uniformitarianism, which was published over a century later, proposed that all of Earth's landscapes were formed by a single event. d. uniformitarianism was published first and proposed that all of Earth's landscapes were formed by a single event, whereas catastrophism, which was published over a century later, proposed that Earth's landscapes were formed by catastrophic events. e. uniformitarianism was published first, and it proposed that the physical, chemical, and biological processes that operate today have also operated in the geologic past. On the other hand, catastrophism was published over a century later and proposed that Earth's landscapes were formed by catastrophic events.

Environmental & Atmospheric Sciences

GPS was developed by the military

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The widely dispersed Jews observe holidays based on the ________ calendar as a way to connect with the ethnic roots of their religion

A) Gregorian B) Jewish C) Julian D) Hebrew E) agricultural

Environmental & Atmospheric Sciences