Q: Four electron groups orient themselves into what shape that has four faces? Choices: - spherical - multicellular - circular - tetrahedron A:
tetrahedron

(Question)
Q: Much of what type of radiation that strikes the planet is reflected back into space? Choices: - magentic radiation - gamma rays - microwaves - solar radiation A:
(Answer)
solar radiation

Ques: Q: The duodenum has a major role in regulating what digestive organ and its emptying? Choices: - kidneys - skin - respiratory - stomach A:
Ans: stomach

(Q).
Q: Organisms cannot live alone, needing other organisms to survive; what is this relationship called? Choices: - coexistence - independence - dominance - interdependence A:
(A).
interdependence

Ques:Q: Light with the shortest wavelength appears as what color? Choices: - red - green - blue - violet A:

Ans:violet

Question: Q: What is the intersection point of the critical temperature and the critical pressure called? Choices: - instance point - basic juncture - peak point - critical point A:
Answer:
critical point