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

Author Question: Earth's greenhouse effect problem is important because A) it is a result of our use of nuclear ... (Read 8 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
Earth's greenhouse effect problem is important because
 
  A) it is a result of our use of nuclear energy, one of our prime sources of energy.
  B) it could cause increased skin cancer.
  C) it might warm up our entire planet.
  D) we must breath CO2 in order to live.
  E) CO2 is a toxic pollutant.

Question 2

Astronauts, in satellites orbiting Earth, feel weightless. Are they really weightless?
 
  A) Yes, because the centrifugal force due to their circular motion balances the force of gravity.
  B) Yes, because they are not in Earth's gravitational field.
  C) Yes, because they are falling around Earth.
  D) No, because the gravitational force is pulling downward on them.
  E) No, because the centrifugal force is pulling outward on them.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


EAugust

  • Member
  • Posts: 550
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

The Chernobyl, Ukraine, Nuclear Power Plant Disaster The Chernobyl, Ukraine, Nuclear Power Plant Disaster
Two transesterification reactions that result in splicing of exons in pre-mRNA Two transesterification reactions that result in splicing of exons in pre-mRNA
The Dose-Effect Relationship, Showing (A) Drug Potency and (B) Drug Efficacy (Or Effectiveness) The Dose-Effect Relationship, Showing (A) Drug Potency and (B) Drug Efficacy (Or Effectiveness)
Answer to math problem Answer to math problem
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Misfolding or refolding of some proteins can result in disease Misfolding or refolding of some proteins can result in disease
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library