Biology, 19.04.2020 23:27 parisowl7900

Select the correct answer.
Which isotope is used to date ancient artifacts such as fossils?
O A.
carbon-12
O
B.
carbon-14
O c. uranium-238
OD. oxygen-16

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 11:00, evandlubbep6bsvu

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

Answers: 1

continue

Biology, 22.06.2019 19:30, sierrathomas431

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.

Answers: 2

continue

Biology, 22.06.2019 21:00, naseral7elo

Mulitple choice which of the following is a function of the nucleus? a. stores dna b. stores sugars c. builds proteins d. packages proteins

Answers: 1

continue

Biology, 22.06.2019 22:00, ryantrajean7

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.

Answers: 1

continue

You know the right answer?

Select the correct answer.
Which isotope is used to date ancient artifacts such as fossils?