What is radioactive dating based on
a. the age of the radioactive material
b. the half-life of the radioactive material
c. the kind of element the isotope decays to
d. the type of radiation being emitted
please help tysm

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe