Q: What is the opening in the front of the eye? Choices: - the macula - the iris - the cornea - the pupil A:
the pupil

Q: Matter can exist either as a pure substance or as a combination of what? Choices: - Different Liquids - much substances - different vapors - different substances A:
different substances

Q: Q: In arthropods, coxal glands and malphigian tubules perform what role? Choices: - ingestion - reproduction - photosynthesis - excretion A:
A: excretion

Question: Q: What is it called when pollen from one plant fertilizes another plant of the same species? Choices: - cross-typing - cross-breeding - cross - vegetation - cross-pollination A:
Answer: cross-pollination

*Question*
Q: What impact can plaque in an artery have on the flow of blood? Choices: - no effect - allergic reaction - increased flow - restriction A:
**Answer**
restriction

(Question)
Q: What are objects that are launched into the air called? Choices: - booms - stones - shoots - projectiles A:
(Answer)
projectiles