Afossil was analyzed and determined to have a carbon-14 level that is 70 % that of living organisms. the half-life of c-14 is 5730 years. how old is the fossil? express your answer with the appropriate units. view available hint(s) t t t = nothing nothing

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which property of water causes water drops to bead on a freshly waxed car?

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.