« previous next »

Author Question: Gravitational lensing can be used to detect the presence of dark matter. a. True b. False ... (Read 69 times)

pragya sharda

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
Gravitational lensing can be used to detect the presence of dark matter.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

What unit is used to measure wavelengths?
 
  a. arc second
  b. photons
 c. degrees
 d. nanometer
  e. pixels


kingfahad97

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr
Inflammation. Inflammation is characterized by the presence of swelling, redness, heat, and pain. Sw Inflammation. Inflammation is characterized by the presence of swelling, redness, heat, and pain. Sw
Mapping Dark Matter Mapping Dark Matter
Early in the twentieth century, when malnutrition was common, companies such as this one advertised Early in the twentieth century, when malnutrition was common, companies such as this one advertised
The three states of matter: solid, liquid, and gas. The three states of matter: solid, liquid, and gas.
Dark Green Eye Color Dark Green Eye Color
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library