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

Author Question: Without the atmospheric greenhouse effect, the average surface temperature of Earth would be ___. A) ... (Read 144 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Jul 13, 2018
Without the atmospheric greenhouse effect, the average surface temperature of Earth would be ___.
 A) higher than at present
  B) lower than at present
  C) the same as it is now
  D) much more variable than it is now

Question 2

What is the most accurate description of the principle of a lightning rod?
 A) The lightning rod acts to discharge the thunderstorm.
  B) The lightning rod intercepts the lightning and safely carries the lightning current around the object it protects.
  C) Lightning rods have been used since the 1700s, but the principle of their operation is not known.
  D) A positive charge induced in the lightning rod repels the negative charge in an approaching step leader.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

B


itsmyluck

  • Member
  • Posts: 546
Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
The Spectra of Stars with Different Surface Temperatures. The Spectra of Stars with Different Surface Temperatures.
Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer
Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
The effect of selection on allele frequency The effect of selection on allele frequency
Earth 430 Million Years Ago Earth 430 Million Years Ago
Video: Introduction to Spirometry

For a complete list of videos, visit our video library