Q: Carbon dioxide molecules consist of a central carbon atom bonded to how many oxygen atoms? Choices: - one - four - three - two A:
two

(Question)
Q: Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what? Choices: - ignored - watched - coupled - compressed A:
(Answer)
compressed

Ques: Q: What is the ph of pure water? Choices: - 5 - 4 - 2 - 7 A:
Ans: 7

(Q).
Q: What is the term for a loop in which a product feeds back to control its own production? Choices: - Recondition Mechanism - load mechanism - Adaptive Mechanism - feedback mechanism A:
(A).
feedback mechanism

Ques:Q: In which process do two light nuclei combine to produce a heavier nucleus and great energy? Choices: - general fusion - light fusion - certain fusion - nuclear fusion A:

Ans:nuclear fusion

Ques:Q: What device changes kinetic energy to electrical energy through electromagnetic induction? Choices: - due generator - Emission generator - real generator - electric generator A:

Ans:
electric generator