This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the distinguishing characteristic of what we call ordinary matter (such as the matter that ... (Read 177 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
What is the distinguishing characteristic of what we call ordinary matter (such as the matter that makes up stars, planets, and people)?
 
  A) It is made of subatomic particles that scientists call WIMPs.
  B) It emits a great deal of light.
  C) It consists of atoms or ions with nuclei made from protons and neutrons.
  D) It can attract other matter through the force of gravity.

Question 2

Which of the following properties cannot be determined from a spectrum of a star?
 
  A) speed perpendicular to my line of sight B) surface temperature
  C) speed towards me or away from me D) chemical composition


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


newbem

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
:D TYSM

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Decomposers (detritivores) feeding on dead plant and animal matter. Decomposers (detritivores) feeding on dead plant and animal matter.
Mackerel tabby, showing the characteristic "M" on its forehead. Mackerel tabby, showing the characteristic "M" on its forehead.
Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge
Assessment of characteristic odors Assessment of characteristic odors
Chromatin fibers characteristic of the interphase nucleus Chromatin fibers characteristic of the interphase nucleus
Sufjan Stevens - Mystery of Love (From Sufjan Stevens - Mystery of Love (From "Call Me By Your Name" Soundtrack)
Video: Muscular Dystrophy

For a complete list of videos, visit our video library