« previous next »

Author Question: As a radioactive substance gradually decays, the abundance of daughter ____ gradually increases. ... (Read 173 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

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

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Often one of the strongest family bonds is that of mother–daughter. The young artist, an eleventh ... Often one of the strongest family bonds is that of mother–daughter. The young artist, an eleventh ...
Substance Use Terminology Substance Use Terminology
Experiments that showed DNA to be the genetic substance Experiments that showed DNA to be the genetic substance
Atmospheric currents carried radioactive fallout across much of Northern Hemisphere Atmospheric currents carried radioactive fallout across much of Northern Hemisphere
Types of Radioactive Decay Types of Radioactive Decay
Structures of the brain related to substance abuse Structures of the brain related to substance abuse
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library