« previous next »

Author Question: The two most important processes in heating the interiors of the terrestrial worlds are ________. ... (Read 19 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
The two most important processes in heating the interiors of the terrestrial worlds are ________.
 
  A) (1 ) volcanism; (2 ) tectonics
  B) (1 ) heat from convection; (2 ) heat from thermal radiation
  C) (1 ) heat deposited by the process of formation; (2 ) heat that came from the gravitational potential energy of incoming planetesimals
  D) (1 ) heat deposited by the process of formation; (2 ) heat released by radioactive decay

Question 2

Which of the following is not evidence for dark matter?
 
  A) gravitational lensing around galaxy clusters
  B) X-ray observations of hot gas in galaxy clusters
  C) the broad absorption lines found in the spectra of elliptical galaxies
  D) the flat rotation curves of spiral galaxies
  E) the expansion of the universe


Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

It is important to ask patients what other health care providers they are seeing, such as the dentis It is important to ask patients what other health care providers they are seeing, such as the dentis
Some biologically important hydrogen bonds Some biologically important hydrogen bonds
Examples of sterilizations and disinfection processes Examples of sterilizations and disinfection processes
The processes involved in urine formation. The processes involved in urine formation.
The crude oil refining showing most of the major steps and processes. The crude oil refining showing most of the major steps and processes.
Vertebral column. Avoid heavy pressure directly over spinous processes. Vertebral column. Avoid heavy pressure directly over spinous processes.
Video: Kidney Stones

For a complete list of videos, visit our video library