Ques: Q: Diamond, graphite and fullerene are examples of what form of carbon? Choices: - zirconia - faceted - magnesium - crystalline A:
Ans: crystalline

Ques: Q: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was? Choices: - none - the same - much lower - much greater A:
Ans: much greater

Ques: Q: What occurs when individuals of different species strive for a limited resource in the same area? Choices: - vegetal competition - asexual competition - intraspecific competition - interspecific competition A:
Ans: interspecific competition

Ques: Q: In gas exchange, oxygen flows into the blood, and what flows out? Choices: - naturally dioxide - carbon monoxide - liquid dioxide - carbon dioxide A:
Ans:
carbon dioxide