« previous next »

Author Question: The planet(s) of our solar system that are usually or never visible to the naked eye are a. Mars. ... (Read 37 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
The planet(s) of our solar system that are usually or never visible to the naked eye are
 
  a. Mars.
  b. Mercury and Neptune.
  c. Saturn, Uranus, and Neptune.
  d. Uranus and Neptune.
  e. Mercury and Venus.

Question 2

____ is the point in Earth's orbit where Earth is closest to the Sun.
 
  a. Aphelion
  b. Perihelion
  c. Precession
  d. The winter solstice
  e. a and d


kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

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

The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
Primary glands of the endocrine system. Primary glands of the endocrine system.
Procedures and Diagnostic Tests Related to the Female Reproductive System Procedures and Diagnostic Tests Related to the Female Reproductive System
Disorders of the Respiratory System Disorders of the Respiratory System
Landsteiner's experiment demonstrating the exquisite specificity of the immune system. Landsteiner's experiment demonstrating the exquisite specificity of the immune system.
Neurotransmitters of the Autonomic Nervous System Neurotransmitters of the Autonomic Nervous System
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library