techniques tell us whether something is older or younger than something else. techniques give us an exact numeric date or date range. includes potassium-argon dating. can be done on ANY organic material. is an ancient cousin courtship ritual

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

2. which is the last step in the scientific method?