Suppose you are on a class field trip to collect fossil shark teeth in the Sandy Beach. Which of the following tools would be best for your teacher to take long for you to use to collect the shark's teeth? Choose all that apply. A. Mobile x-ray machine (uses x-rays to "see" inside things)
B. Hand trowel (a small shovel with a pointed tip)
C. Hand sieve (separates particles of different sizes)
D. Power drill (hand-held tool that drills holes in things)

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

What field of science did harry hess study?

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.