Q: Cycloalkanes are hydrocarbons whose molecules are closed rings rather than straight or branched chains. a cyclic hydrocarbon is a hydrocarbon with a ring of these? Choices: - oxygen atoms - hydrogen atoms - barium atoms - carbon atoms A:
carbon atoms

(Question)
Q: How do autotrophs get food? Choices: - From Water - Soak up from host cell - From Plant matter - make their own A:
(Answer)
make their own

Ques: Q: Ocean currents transfer heat from the equator towards what locations? Choices: - continents - tropical zones - east and west - poles A:
Ans: poles

(Q).
Q: H2o is the chemical formula for what? Choices: - glass - smog - salt - water A:
(A).
water

Ques:Q: Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems? Choices: - myocyte - blood cells - neurons - epithelial cells A:

Ans:epithelial cells

Q: Approximately how many billion years ago did our solar system begin? Choices: - four billion - three billion - nine billion - five billion A:
five billion