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
Luba_88 [7]
3 years ago
15

The half life of an element is 14 years how many years old The rock will be after two half-lives

Biology
1 answer:
alexandr402 [8]3 years ago
3 0
The rock will be 28 after two half lives
You might be interested in
How are the virus and bacterium similar
geniusboy [140]
All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. Unlike bacteria, most viruses do cause disease, and they're quite specific about the cells they attack.
5 0
3 years ago
WILL IVE BRAIN?? Why might humans not have widespread regeneration abilities?
Murrr4er [49]

Answer: because mammals have more complex biological structures; limb regeneration would require sophisticated controls to ensure that limbs and organs don’t grow out of control.

Explanation:

8 0
3 years ago
What causes earthquakes?
Paladinen [302]
Seismic Waves in Earth cause earthquakes. Tectonic Plates can also cause earthquakes as they move against each other
8 0
3 years ago
What term did Mendel use to signify his true breeding first generation
fredd [130]
Hello there! 

'Parental generation' is the term which he used. Hope I helped. 

8 0
3 years ago
Help it’s for a test if you don’t know pls don’t guess
ivanzaharov [21]

Answer:

100 percent because all would result Pp and the (p) which is white and recessive allele would express only in absence of dominant allele (P)

6 0
3 years ago
Other questions:
  • How does independent assortment during Metaphase 1 help produce diversity in gametes (eggs and sperm)?
    14·1 answer
  • A punnet square predicts a 9:3:3:1 ratio for phenotypes. Explain what that ratio means..
    7·1 answer
  • What are 3 examples of diploid cells and 3 examples of haploid cells?
    8·1 answer
  • As you move across a row from left to right in the period table, atomic numbers of the elements
    7·1 answer
  • Why aren’t blueberries blue?
    12·1 answer
  • Describe the changes that a broken bone undergoes as it is healing.
    13·1 answer
  • Brainest for best response!
    13·1 answer
  • Which process would be used during the healing process of a paper cut? mitosis, meiosis or differentation
    15·1 answer
  • Which of these individuals is a homozygous genotype? which of these individuals is a homozygous genotype? aa gg ag aa ag?
    12·1 answer
  • 1.3 Genes and Chromosomes. <br> ___ are sections of ___ that code for the production of DNA code.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!