Explain why the law of conservation of matter holds true if the amount of water in a glass that was left out overnight decreases.

What is the name of the two satelites on mars

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna