The strength of the metals' reacting with the acid, from greatest to least, is a) magnesium > zinc > iron > copper. b) zinc > magnesium > iron > copper. c) copper > iron > magnesium > zinc. d) iron > magnesium > zinc > copper.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

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.