Q: What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer? Choices: - sleeping - running - driving - smoking A:
smoking

(Question)
Q: Which important decomposers are known to live just about anywhere on earth? Choices: - protazoas - viruses - sporozoans - archeans A:
(Answer)
archeans

Ques: Q: Fatty acids, triglycerides, phospholipids, and steroids are examples of what? Choices: - tissues - enzymes - proteins - lipids A:
Ans: lipids

(Q).
Q: What is the term for a period when temperatures are cooler than normal causing glaciers to spread to lower latitudes? Choices: - cooling era - cold age - freezing point - ice age A:
(A).
ice age

Ques:Q: What is the layer of electrons that encircle the nucleus at a distinct energy level called? Choices: - molecular shell - vortex shell - ions shell - electron shell A:

Ans:electron shell

Question: Q: What do you call a substance that cannot be separated into smaller pieces, which is also defined by the number of protons it has? Choices: - electrol - molecule - atom - element A:
Answer:
element