What is the half-life of the carbon that is
used in radioactive dating?

5,730 years

Explanation:

isotope describes the amount of time that it takes half of the isotopes in a sample to decay. in the case of radiocarbon dating, the half life of carbon 14 is 5,730years

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.