« previous next »

Author Question: As a radioactive substance gradually decays, the abundance of daughter ____ gradually increases. ... (Read 170 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
As a radioactive substance gradually decays, the abundance of daughter ____ gradually increases.
 
  a. atoms
 b. isotopes
 c. elements
  d. cells
 e. nuclei

Question 2

Vega is an A0 main sequence star. Based on this information, which statement is true?
 
  a. Vega has a surface temperature that is less than the Sun
 b. Vega has mass that is greater than the Sun
 c. Vega is less luminous than the Sun
 d. Vega has mass that is less than the Sun
 e. Vega is located near the lower right hand corner on the HR diagram


aliotak

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 27, 2018
Thanks


aliotak

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Exercise increases the heart rate. Exercise increases the heart rate.
Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho
DSM-5 Criteria for Substance Use Disorder DSM-5 Criteria for Substance Use Disorder
Dry Room Substance Removal Technique Dry Room Substance Removal Technique
Apply the substance to the abdomen in a clockwise motion. Apply the substance to the abdomen in a clockwise motion.
Beak size in finches during dry years increases because of strong selection Beak size in finches during dry years increases because of strong selection
Video: Automated external defibrillator (AED)

For a complete list of videos, visit our video library