This topic contains a solution. Click here to go to the answer

Author Question: One of the reasons that gold is a rare element is that: A) it has a very low atomic mass. B) it ... (Read 120 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
One of the reasons that gold is a rare element is that:
 
  A) it has a very low atomic mass.
  B) it has a very low atomic number.
  C) gold atoms were absorbed during supernova explosions.
  D) gold atoms are made only by short-lived nuclear reactions.

Question 2

In their attempt to gauge the true shape of our Galaxy, the Herschels concluded that:
 
  A) our Galaxy has a hexagonal shape.
  B) the Sun is the only luminous star in our Galaxy.
  C) the Sun and Earth are near the edge of our Galaxy.
  D) our Galaxy has some noticeable holes lacking stars around its edges.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D

Answer to Question 2

D




anoriega3

  • Sr. Member
  • ****
  • Posts: 323

 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library