kaylenswain03 kaylenswain03
  • 24-04-2024
  • Biology
contestada

a rock sample containing an isotope with a half-life of 28 million years has an initial mass of 384 grams. How old is the rock after two half-lives?

Relax

Respuesta :

Otras preguntas

Which of the following replaces guanine in RNA? (A) adenine (B) thymine (C) cytosine (D) uracil (E) none of the above
Within a period, an increase in atomic number is usually accompanied by A. a decrease in atomic radius and an increase in electronegativity. B. an increase in a
who what when where why treaty of versailles
the original price of a watch was $109.it was on sale for 100.28.what was the discount rate
Classify the triangle based on side lengths 5, 7 and 8. A. right B. Acute C. obtuse D. no triangle can be formed with given side lengths
Why is it in French it's called the "perfect" tense and "imperfect" tense?
why were roads significant to the roman republic and ancient cultures and religions of the same time period
What are prashastis?
Explain how scientists use recombinant DNA technology to produce the drug insulin. Be sure to also explain why a gene form one organism can be expressed by anot
75% of a number is 120. what is 40% of the number?