Q: What kind of a reaction occurs when a substance reacts quickly with oxygen? Choices: - invention reaction - Fluid Reaction - nitrogen reaction - combustion reaction A:
combustion reaction

(Question)
Q: Since electrons are charged, their intrinsic spin creates a what? Choices: - suppressed electrical field - magnified rupulsed field - intrinsic electrical field - intrinsic magnetic field A:
(Answer)
intrinsic magnetic field

Ques: Q: What is the name of the the most efficient possible engine? Choices: - excitation engine - diesel engine - ventilation engine - carnot engine A:
Ans: carnot engine

(Q).
Q: What type of molecules sit within a membrane and contain an aqueous channel that spans the membrane's hydrophobic region? Choices: - osmotic fluid - microorganisms - mole - channel A:
(A).
channel

Ques:Q: Nonvascular plants lack vascular tissue and what? Choices: - cytoplasm - chlorophyll - cells - seeds A:

Ans:seeds

Ques: Q: Occuring throughout the lifespan of the organism, what stages proceed in a certain order? Choices: - yearly stages - life effectiveness stages - genetic stages - life cycle stages A:
Ans:
life cycle stages