What happens if an atom gains 2 electrons to fill its valence shell a. it becomes more stable and will have 2+ charge b. it becomes more stable and will have a 2- charge c. it becomes less stable and will have a 2+ charge d. it will become an entirely new element

Which experiment would most likely contain experimental bias ?

How do cells grow and reproduce to maintain homeostasis?

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.