This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Changes in the sun angle above the horizon were first used to prove that Earth was spherical and ... (Read 52 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Aug 7, 2018
Changes in the sun angle above the horizon were first used to prove that Earth was spherical and also estimate its size about 200 years ago.
  Indicate whether the statement is true or false

Question 2

Ecologists refer to natural processes (such as forest fires or landslides) that destroy or damage a great deal of existing vegetation as ____.
 a. gap creation
 b. mosaics
 c. succession
 d. ecological niches
 e. krummholz


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aruss1303

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Aug 7, 2018
Answer to Question 1

F

Answer to Question 2

a


CBme

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Aug 7, 2018
Thank you!


aruss1303

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Aug 7, 2018
Always glad to help...


« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Saturn as Seen from Earth Saturn as Seen from Earth
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Compound Angle Formulas Compound Angle Formulas
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library