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 172 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
Great answer, keep it coming :)

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Brain scans showing the white-matter pathways involved in everyday learning: Brain scans showing the white-matter pathways involved in everyday learning:
Distinguishing lac+ and lac– by using a red dye Distinguishing lac+ and lac– by using a red dye
A Receiver-Operating-Characteristic (ROC) Curve A Receiver-Operating-Characteristic (ROC) Curve
The hand on the right exhibits the orange-tinged skin characteristic of carotenodermia The hand on the right exhibits the orange-tinged skin characteristic of carotenodermia
Chromatin fibers characteristic of the interphase nucleus Chromatin fibers characteristic of the interphase nucleus
Blondie - Call Me (Official Video) Blondie - Call Me (Official Video)
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library