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

Author Question: Sunspots a. are cooler than their surroundings. b. are regions where material is rising from ... (Read 31 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
Sunspots
 
  a. are cooler than their surroundings.
  b. are regions where material is rising from below the photosphere.
  c. are the result of convection.
  d. produce spicules.
  e. are generally found near the poles of the Sun during sunspot maximum.

Question 2

Copernicus
 
  a. proposed that the Earth orbited the Sun.
  b. showed how retrograde motion could be explained without epicycles if the planets all orbited the Sun.
  c. neither proposed that the Earth orbited the Sun and showed how retrograde motion could be explained without epicycles if the planets all orbited the Sun.
  d. both proposed that the Earth orbited the Sun and showed how retrograde motion could be explained without epicycles if the planets all orbited the Sun.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Answer to Question 1

a

Answer to Question 2

d




lgoldst9

  • Sr. Member
  • ****
  • Posts: 372

 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

For a complete list of videos, visit our video library