10.Three ways that uncontrolled stress can increase one’s risk of heart disease are overeating, increased smoking and raised blood sugar levels TRUEE OR FALSE!!!

Which of the following represents a negatively charged ion? of t 7

How does secondary succession differ from primary succession?

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