Which of the following would not be useful in determining the age of a fossil

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.

Sarah backstrokes at an average speed of 8 meters per second how long will it take her to complete the race of 200 meters length

In a hardy-weinberg population with two alleles that show complete dominance, the frequency of the recessive allele is 0.4. what percentage of the population has a homozygous genotype? a) 36 b) 4 c) 40 d) 16 e) 52