Ques: Q: What substances digest the food in the vacuole of an ingestive protist? Choices: - carbohydrates - lipids - hormones - enzymes A:
Ans: enzymes

Ques: Q: When two skateboarders push against each other what happens? Choices: - they stick together - they rise - they magnetize - they move apart A:
Ans: they move apart

Ques: Q: Which common element is the most found in living organisms? Choices: - hydrogen - oxygen - monoxide - carbon A:
Ans: carbon

Ques: Q: What layered form of carbon is used as a lubricant and in pencils? Choices: - carbonite - copper - lead - graphite A:
Ans:
graphite