Gary balanced his pencil on the back of his chair. which of the following is true?
the pencil must fall off the chair eventually, due to gravity.

the pencil must be magnetically attracted to the chair.

if no outside force is applied to the pencil or chair, then the pencil will fall down.

if the pencil falls off the chair, this means an outside force was applied.

Which of the following statements are true chromosomes make up genes

What is the number of phosphates in an atp molecule

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.