Author Question: Which of the following layers of the Earth is unique among the terrestrial planets? A) ... (Read 17 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
Which of the following layers of the Earth is unique among the terrestrial planets?
 
  A) hydrosphere
  B) ionosphere
  C) mantle
  D) crust
  E) core

Question 2

What are constellations?
 
  A) groups of galaxies gravitationally bound and close together in the sky
  B) groups of stars making an apparent pattern in the celestial sphere
  C) groups of stars gravitationally bound and appearing close together in the sky
  D) ancient story boards, useless to modern astronomers
  E) apparent groupings of stars and planets visible on a given evening



verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library