Does anyone know the answers to this packet {step-scopes}? ?

Did you know that a blue wales tongue weighs more than an elephant?

Which of the following is the most likely outcome of global warming

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