« previous next »

Author Question: The closed universe is compared to the surface of a(n) ________ in spacetime. Fill in the ... (Read 36 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Jul 27, 2018
The closed universe is compared to the surface of a(n) ________ in spacetime.
 
  Fill in the blank(s) with correct word

Question 2

Emission nebulae get their red color from the red supergiants forming in them.
 
  Indicate whether the statement is true or false


Tonyam972

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

sphere

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter. Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter.
the fatty acid molecules expose the smallest possible hydrophobic surface area the fatty acid molecules expose the smallest possible hydrophobic surface area
Surface winds travel at an angle across isobars, toward low pressure. Surface winds travel at an angle across isobars, toward low pressure.
Imaging cell surface glycoproteins in living cells Imaging cell surface glycoproteins in living cells
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
Video: T cell receptors

For a complete list of videos, visit our video library