« previous next »

Author Question: At present, the formation of the solar system is believed by most astronomers to have begun with a ... (Read 67 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
on: Jul 28, 2018
At present, the formation of the solar system is believed by most astronomers to have begun with a large, swirling volume of cold gas and dust called the ______________ nebula.
 a. condensation
  b. primordial
  c. accretion
  d. celestial

Question 2

As a truck moves away from a person with its horn blowing, the person hears a frequency ______________ than that of the horn.
 Fill in the blank(s) with correct word


sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

lower


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Schematic overview of the cardiovascular system. Schematic overview of the cardiovascular system.
Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System
Outline of the System That Controls Drinking Outline of the System That Controls Drinking
Tornado Formation: Nonsupercell Tornado Development Tornado Formation: Nonsupercell Tornado Development
Solve the system to find x and y Solve the system to find x and y
The Vascular System The Vascular System
Video: Acid-base imbalances - compensation of respiratory acidosis and alkalosis

For a complete list of videos, visit our video library