I'm pretty sure that the answer to this question is letter A.
John locke is the correct answer , hopefully it helps
<span>The gold rush saw a massive influx of miners to traditional First Nations territories. The miners paid very little heed to the practices of First Nations people, often destroying important habitat. Miners moved on after exhausting gold and natural resources in an area, leaving fewer resources for Aboriginal peoples who remained. So it affected people in a bad way because they got a lot more more money to buy and find gold.</span>
The correct answer is nutrient.
Metabolism is the process during which this happens.
A diet is the specific choice of nutrients
Calorie is a way of measuring the amount of it.