1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
blagie [28]
3 years ago
14

Half life question: The graph below shows the number of radioactive atoms present in four radioactive materials at different tim

e intervals. Which of these materials has the shortest half-life?

Biology
1 answer:
Vikentia [17]3 years ago
5 0

Answer:

A

Explanation:

Half life is the time it takes for a substance to reduce to half of the original composition. All the substances in graph start at 1000 particles and the half of thousand particles is 500. If you scan 500 and look at the X-axis for hours, we see it takes A the shortest amount of time (~3hrs) to reduce to half of original composition, whereas rest of them take more than that.

You might be interested in
Anyone know how to do it or explain how to do it I’m so lost
Ainat [17]
Yes isisjdjjsjseneennsns
3 0
3 years ago
Read 2 more answers
Why shouldnt you move the objective lense towards the stage when focusing
lys-0071 [83]
REMOVING THE SLIDE FROM UNDER HIGHER POWER OBJECTIVES MAY CAUSE THE SLIDE SURFACE TO HIT THE OBJECTIVE LENS SINCE THE LENS IN THESE OBJECTIVES WILL BE VERY CLOSE TO THE SLIDE. THIS COULD RESULT IN DAMAGE TO THE LENS. b. TO ACHIEVE THE HIGHEST POSSIBLE RESOLUTION WHEN VIEWING THROUGH THE HIGHEST POWER OBJECTIVES.
8 0
3 years ago
One mechanism by which viruses may cause cancer is to interrupt the genetic regulatory sequences of repressor proteins. Which of
arsen [322]

Answer:e

retroviruses

Explanation:

Retroviruses appear to cause cancer in their host by mutating the host gene sequences allowing for the activation of some potentially oncogenic genes to be expressed. They do this by inserting their proviral DNA into the host genome at specific regulatory sequences deregulating cellular signaling and transcriptional controls.

5 0
4 years ago
Under normal circumstances, a zygote has ____ pairs of chromosomes
insens350 [35]
46 for humans.
That’s 23 chromosomes from each parent.
8 0
3 years ago
According to Mendel's _______________, one copy of a gene is passed randomly from each parent to their offspring. This is why ga
bixtya [17]
The answer would be <span>A) Law of Segregation; Law of Independent Assortment; meiosis .</span>
5 0
4 years ago
Read 2 more answers
Other questions:
  • The dots represent a bacterial infection. Sal was very sick with this bacterial infection. The infection was treated with antibi
    13·2 answers
  • Which of these is a method of obtaining petroleum?
    13·1 answer
  • Explain the differences in the vocabulary words given below. Then explain how the words are related. Use completed sentences in
    5·1 answer
  • List the abiotic components of the nitrogen cycle.
    12·1 answer
  • Bones are evidence of what pre-existing life
    8·2 answers
  • Which of the following does not describe hormones in the body? I’ll mark the correct answer a brainliest
    12·1 answer
  • PLZ HELP 20 POINTS
    12·1 answer
  • The spiders mentioned in the paragraph are
    12·1 answer
  • What is the energy conversion that occurs in photosynthesis?
    13·1 answer
  • The perivascular feet of the ______ help create a blood-brain barrier. multiple choice question.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!