Which phenomena release CO2 into the atmosphere? forest fires
decomposition of organic matter
reforestation
photosynthesis
volcanic eruptions
(Select ALL the correct answers)

The term equestrian relates to which animal? bulls cows horses pigs

All eukaryotic cells contain small bodies called

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