Vocabulary review
correct the sentences below by replacing the
italicized term with the correct vocabulary term.
1. an “stimulant” is a cancer-causing
substance.
2. tobacco users can become addicted to
the “carbon monoxide” in tobacco.
3. when tobacco burns, it produces a thick,
sticky, dark fluid known as “leukoplakia.”

What should you sprinkle on cut fruits to slow the browning process? a.oil b. lemon juice or acids c.salt d.melted butter

The first step in treating water from a river or lake is usually

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.