« previous next »

Author Question: At present, the formation of the solar system is believed by most astronomers to have begun with a ... (Read 54 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?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

The protonephridial filtration system of flatworms. The protonephridial filtration system of flatworms.
The heme group is present in myoglobin, hemoglobin, and many other proteins The heme group is present in myoglobin, hemoglobin, and many other proteins
The major structures of the limbic system: amygdala, hippocampus, cingulate cortex, fornix, septum, ... The major structures of the limbic system: amygdala, hippocampus, cingulate cortex, fornix, septum, ...
Renal Physiology - Urine Formation Renal Physiology - Urine Formation
The Process of Sperm Formation The Process of Sperm Formation
Surtsey, a volcanic island, during the time of its formation. Surtsey, a volcanic island, during the time of its formation.
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library