« previous next »

Author Question: Why do karst landscapes not form in areas underlain by igneous rocks, but instead, form in areas ... (Read 89 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
on: Jul 13, 2018
Why do karst landscapes not form in areas underlain by igneous rocks, but instead, form in areas underlain by limestone?

Question 2

Erupting shield volcanoes are rather ___________________ _ compared with the eruptions of those at convergent plate boundaries.
 Fill in the blank(s) with correct word


Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 13, 2018
Answer to Question 1

Igneous rocks are more resistant to chemical weathering than rocks like limestone. The slight acidity of rainwater and groundwater will readily dissolve the limestone to form sinkholes, caves, and other features of karst landscapes.

Answer to Question 2

quiet


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Examples of variation in leaf form. Examples of variation in leaf form.
Spinal cord—levels of injury; A, areas of sensory function (dermatomes); B, areas of motor function. Spinal cord—levels of injury; A, areas of sensory function (dermatomes); B, areas of motor function.
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Bank reconciliation form. Bank reconciliation form.
How to determine an equation in factored form from a graphed parabola How to determine an equation in factored form from a graphed parabola
Physical Landscapes Physical Landscapes
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library