PLEASE HELP!
After a fetus has developed for only three months, what is its skeleton made of?

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.

Variety of living organisms; includes genetic, species, and ecological types.

Nh3 +02-no + h20 is unbalanced what is the balanced equation