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Geology Questions and Answers (Q&A)

Wapa
Answered: Sep 28, 2020
When magma reaches the surface, its dissolved gas content increases

1 Answer

577 views
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

551 views
Bobby Rickets, Content Reviewer
Answered: Sep 03, 2019
It can be confusing to know the difference between era and period, but the more that you know about it, the more that you will understand why they are used differently. A period refers to a large...Read More

4 Answers

476 views
Wapa
Answered: Sep 28, 2020
The rock is crystalline; mineral grains are too small to be visible without a magnifying lens or microscope

1 Answer

459 views
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

456 views
John Smith
Answered: Sep 28, 2020
Involves a major change in the mineral composition of the weathered material

1 Answer

393 views
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

369 views
H. Jones, Web Content Writer
Answered: Feb 21, 2019
Letter C is the right answer among the choices. Intrusive igneous rocks are made from magma that are in the Earth’s crust. These rocks are cross-grained due to they have a slow cooldown...Read More

2 Answers

357 views
T. Lopez, Biology student
Answered: May 17, 2019
The correct answer to this question is C, Streak. In geology, a streak appears in a mineral. It is the color of powder that produces when it is dragged through an unweathered surface. Galena is a...Read More

2 Answers

356 views
Wyatt Williams
Answered: Sep 28, 2020
Are situated in the interior of a large, Pacific plate above a hot spot deep in the mantle

1 Answer

345 views
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

331 views
Shopkin
Answered: Sep 28, 2020
Gas, because it is more stable at high temperatures

1 Answer

330 views
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

326 views
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