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 44 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?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

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

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Earth with Rings Earth with Rings
Earth and the Moon Earth and the Moon
The Interiors of Earth and Mercury The Interiors of Earth and Mercury
Earth’s Spheres Earth’s Spheres
How to solve angle of depression problems in right triangles How to solve angle of depression problems in right triangles
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library