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
Softa [21]
3 years ago
11

What is a half life?

Biology
2 answers:
xxTIMURxx [149]3 years ago
7 0
Its <span>the time taken for the radioactivity of a specified isotope to fall to half its original value. hope this helps u</span>
Alik [6]3 years ago
3 0
<span>Basically how long does it take for half of a the isotope sample to decay.</span>
You might be interested in
Need Help badly answers only plz
vampirchik [111]
The order should be..

Ask a question
State a hypothesis 
Test a hypothesis 
Collect data 
Analyze data
Write up conclusion based on data
Share your findings by presenting or publishing 
Express ideas to make this experiment better in the future

I hope this helps! Please let me know if any are out of order so I can correct it in the future.
7 0
3 years ago
The retention of five digits on the hands and feet of primates is ____. a variable trait in the order characteristic only of mon
ElenaW [278]

The answer is ‘the only truly distinctive primate trait’. Prehensile hands are a distinctive trait of primates an opposable thumb (capable of grasping). The digits have  nails instead of claws, and tactile pads enriched with sensory nerve fibers at the ends of digits to feel to manipulate objects.






7 0
2 years ago
What type of rna carries from the nucleus to the cytoplasm the sequence of bases that determines the order of amino acids in a p
mihalych1998 [28]

Messenger RNA (mRNA) 

<span>Messenger RNA (mRNA) is known to be molecules that carries codes (DNA) in the nucleus to the cytoplasm the sites of protein synthesis. Thus, it is the RNA copy from one section of the DNA  that usually correspond to a single gene.  </span>

5 0
3 years ago
Read 2 more answers
A meal contains carbohydrate, fat, protein, vitamin D, calcium and iron. What happens to each of these substances in the body?​
qwelly [4]

Answer:

They all started to get digest.

Explanation:

Digestion starts in the mouth and all the way to the small intestine. And, there are many enzymes and digestive jucies which help to digest spefic nutriton amoung them.

4 0
2 years ago
What are the mountainous parts of the moon callled
Thepotemich [5.8K]

Answer: they are called the highlands

Explanation:they represent the earliest crust on the moon

5 0
3 years ago
Other questions:
  • Where is the frontal bone
    11·2 answers
  • During the summer, some continents become much warmer than the oceans that surround them. Because of this, we can expect
    10·1 answer
  • Which of the following is a disadvantage of sexual reproduction?
    13·2 answers
  • What are 4 questions to understand behavior
    8·1 answer
  • Given the following diagram, what product is produced at Location A?
    14·2 answers
  • What is the relationship between evolution and natural selection? Write a long paragraph explain it
    5·1 answer
  • Euglena use __________ to move through their environment and to help collect food.
    15·1 answer
  • NO LINKS
    9·1 answer
  • General is to army as _______ is to body.<br> A. immune system <br> B. heart<br> C. nervous system
    10·2 answers
  • Which of the following would cause mountains to wear down to become more like hills over time?(1 point) Erosion that carries sma
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!