Author Question: The shapes of planetary orbits are __________. Fill in the blank(s) with correct ... (Read 37 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
The shapes of planetary orbits are __________.
 Fill in the blank(s) with correct word

Question 2

What is an unusual theoretical characteristic of quarks?
 a. They have fractional charges.
  b. They are outside the concept of electric chargeit just does not apply to them.
  c. Even the electron is composed of quarks.
  d. Even in quantum mechanical terms, quark momentum is not conserved.
  e. They combine to form leptons.



annierak

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

ellipses

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library