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

Author Question: What is the energy source that is used in photosynthesis? A) solar radiation B) geothermal ... (Read 78 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
What is the energy source that is used in photosynthesis?
 
  A) solar radiation
  B) geothermal energy
  C) nuclear fission
  D) internal combustion
  E) all of the above

Question 2

Which of the following numbers expresses the value 2600. calories with both the correct units and proper scientific notation?
 
  A) 2.6  104 kcal
  B) 2.600  103 cal
  C) 2.60  103 mcal
  D) 26  102 dcal



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AaaA

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

A

Answer to Question 2

B




AaaA

  • Sr. Member
  • ****
  • Posts: 339

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library