This topic contains a solution. Click here to go to the answer

Author Question: Columnar jointing in lava flows occurs due to ____. A)pyroclastic welding B)basaltic crystal ... (Read 83 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
Columnar jointing in lava flows occurs due to ____.
 A)pyroclastic welding
 B)basaltic crystal formation
 C)contact of the lava flow with sea water
 D)the expansion of lava flow materials
 E)cooling and contracting of lava flows

Question 2

Early gases that had begun to accumulate around Earth during the Early Archean were lost because of a lack of a(n) ___________________ _.
 Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

E

Answer to Question 2

magnetosphere





 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

For a complete list of videos, visit our video library