30 Best Geology Questions and Answers (Q&A) - ProProfs Discuss

What physical property of the rock can be directly determined when the rock is placed in the overflow container? The diagram below shows a rock suspended above an overflow container filled with...

Ken Wilson, Marketing Analyst
Answered: Apr 09, 2019

It might be tempting to assume that mass can be determined by sinking a rock into a measuring cylinder of liquid, but only the volume can actually be determined that way. Simply, the volume...Read More

3 Answers

1029 views

How wold you describe erosion?

Anthony Paul Bonadio, Teacher
Answered: Dec 17, 2018

Erosion is the weathering away of the soil based on one of several reasons. Erosion can occur on farmland. Many farmers can’t live in one area for a long time. When they use the soil to...Read More

2 Answers

892 views

What is the difference between Era and Period?

S. Hughes
Answered: Sep 17, 2019

An era is a geological time of indeterminate length, generally over a year. It is a unit of time which is smaller than eon and greater than period. Era often marks the beginning and the end of an...Read More

4 Answers

806 views

Which information would be most helpful for someone trying to identify a mineral sample?

G.Kenneth
Answered: Jan 24, 2018

People may find a mineral and need to be able to identify it. In history, before the minerals were discovered, they would have to be identified through a system of tests. Today, we use the same...Read More

2 Answers

795 views

Which principle best explains why some flies survived?

Bluelagoon
Answered: Jan 23, 2017

I don't think that animals them self adapt, it is the environment that selects the animals who have certain mutations or characteristics that are adventageous, here being their immunity to the...Read More

2 Answers

663 views

Which is the least abundant element in the human body (of those listed)?

Amassog
Answered: Jan 22, 2025

Nitrogen

1 Answer

609 views

How would you describe an aphanitic texture?

Wapa
Answered: Jan 22, 2025

The rock is crystalline; mineral grains are too small to be visible without a magnifying lens or microscope

1 Answer

593 views

What is the process of the hydrologic cycle?

H.Jennifer
Answered: Apr 23, 2018

The hydrologic cycle begins with the evaporation of water from the surface of the ocean. As moist air is lifted, it cools and water vapor condenses to form clouds. Moisture is transported around...Read More

3 Answers

572 views

What is mechanical weathering?

John Smith
Answered: Jan 22, 2025

Reduces grain sizes of rock particles Allows for faster rates of chemical weathering Is important in the formation of talus...Read More

1 Answer

561 views

Why would a plume of solid silicate rock rising slowly from deep in the mantle begin melting as it neared the base of the lithosphere?

H. Jones, Web Content Writer
Answered: Feb 20, 2019

A plume of solid rock rising slowly from the deep in the mantle will begin to melt as it nears the base of the lithosphere because temperatures remain high as lowered pressures decrease melting...Read More

2 Answers

530 views

What is a water table?

Perez D.Scarlett
Answered: May 03, 2018

A water table is the upper level of an underground surface in which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone that lies below it. It...Read More

3 Answers

516 views

How do the electrons behave in a mineral with metallic bonding?

Wapa
Answered: Jan 22, 2025

They can move relatively easily from atom to atom inside the mineral

1 Answer

400 views

How will you characterize ferromagnesian silicates?

John Smith
Answered: Jan 22, 2025

The are black to dark-green, silicate minerals containing iron and magnesium.

1 Answer

362 views

What is the difference between Geology and Ecology?

W. Pratt, Marketing Analyst
Answered: Aug 27, 2019

Geology and ecology are two branches of science that have many similarities, but there are many differences too. If you have ever gone outside and picked up a rock and studied it, you are doing...Read More

2 Answers

314 views

What is the mantle in information?

L. Agate
Answered: Jan 05, 2021

A mantle is a layer inside a planetary body bounded by a core and above a crust. The Earth's mantle is made of hot flowing rocks. The earth's mantle has a thickness of about 2,900 kilometers,...Read More

3 Answers

306 views

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