« previous next »

Author Question: As a radioactive substance gradually decays, the abundance of daughter ____ gradually increases. ... (Read 181 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?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Physical findings of the skin indicative of substance abuse Physical findings of the skin indicative of substance abuse
Cross-sectional data showing that the amount of effort spent on personal health care increases with Cross-sectional data showing that the amount of effort spent on personal health care increases with
Radioactive protection services record book and two badge-style dosimeters. Radioactive protection services record book and two badge-style dosimeters.
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ... Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
Damien Rice - The Blower's Daughter - Official Video Damien Rice - The Blower's Daughter - Official Video
What nuclide is produced when K-43 decays by beta emission? What nuclide is produced when K-43 decays by beta emission?
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library