This economics question tests your understanding of economic models and analysis. The step-by-step answer below applies the relevant framework and explains the reasoning.

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Question 1: What is the name of the nitrogen fixing bacteria found in the soil? B. Rhizobia Rhizobia are a genus of bacteria that fix atmospheric nitrogen into a form usable by plants, often in a symbiotic relationship with legumes.
Question 2: Noble gases have full valence electrons making them highly B. Unreactive Noble gases have a stable electron configuration with a full outer shell, which makes them chemically unreactive.
Question 3: Which activity helps conserve energy in transportation? A. Carpooling with friends Carpooling reduces the number of vehicles on the road, thereby decreasing overall fuel consumption and conserving energy.
Question 4: Metals have high tensile strength. This means they C. resist breakage Tensile strength is a material's ability to resist breaking when stretched or pulled. High tensile strength means the material can withstand significant force before breaking.
Question 5: The energy transformation when fan is turned on is C. Electrical energy to kinetic energy A fan converts electrical energy supplied to it into kinetic energy, which is the energy of motion of the fan blades and the air it moves.
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Question 1: What is the name of the nitrogen fixing bacteria found in the soil? B.
This economics question tests your understanding of economic models and analysis. The step-by-step answer below applies the relevant framework and explains the reasoning.