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
Scrat [10]
2 years ago
7

What is about true about these atoms calcium, gold,argon,iodine

Biology
1 answer:
UNO [17]2 years ago
6 0

Answer:

In moon rock sample the ratio of the number of stable argon-40 atoms present to the number of radioactive potassium−40 atoms is 7:1. Assume that all the argon atoms were produced by the decay of potassium atoms, with a half-life of 2.5×10^9yr. The age of the rock is

Explanation:

Hope this helps :)

You might be interested in
THIS IS ACTUALLY FOR SCIENCE BUT I NEED HELP
vovikov84 [41]
I have kinda of the same question but I don’t know it
6 0
3 years ago
Read 2 more answers
What is fear of darkness called ?​
Andreyy89

Answer:

Nyctophobia

Explanation:

Nyctophobia is known as the fear of darkness

8 0
2 years ago
Read 2 more answers
Stitching of the large tissue that acts as a tendon and attaches muscles to bone is called
Gwar [14]
The appropriate response is aponeurorrhaphy. Aponeurorrhaphy alludes to the stutured of an aponeurosis, which is the more profound and thicker band of stringy connective tissue appending muscles to bones. It is a strategy in which the solid sheet of tissue that fortified the patient's muscle to close-by bone.
3 0
3 years ago
Why does the designed world change?
RSB [31]
Because the world rotates around and God the creator changed up the earth that's the biblical answer but a scientific answer would be due to himans
5 0
3 years ago
Which organelle is responsible for holding chemicals needed for digestion in the cell?
posledela
The correct answer is Lysosomes

Lysosomes are used for digestion of materials in the cell.
3 0
3 years ago
Other questions:
  • Rutherford coined the term used for the simplest positive charged particle and called it the
    15·2 answers
  • Which of the following factors does not influence the level of the water table?
    6·1 answer
  • How many protons and neutrons are in a stable oxygen atom? A)8 b)14 c)12 d)16
    14·1 answer
  • Most of Earth’s major earthquakes are caused by?
    9·1 answer
  • The point where the demand curve and the supply curve intersect represents __________.
    6·1 answer
  • Why does a cell need to make RNA
    15·1 answer
  • A disease causes a plant to produce big bright flowers that are infertile. overtime the disease affects fewer plants. what likel
    14·1 answer
  • many united states weather maps throughout the year will look similar to the one above. which explanation best describes the cau
    11·1 answer
  • Someone help pleasesdesereffgfqsgdafge
    9·2 answers
  • Which of the following are true regarding ores?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!