The atomic number of fluorine is 9. how many electrons does an ion of fluorine have if it is represented by the symbol shown below?

How many major plates cover the earth

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.

What characteristic make legumes a good food source for food insecure populations