(Q).
Answer the following question given this paragraph: Though not particularly beautiful machines, calorimeters are incredibly useful ones. They are used to determine the calories (food energy) in food, as well as the average heat yield from burning various grades of coal and oil. The price of coal is often dependent on the heat yield from samples burned in a calorimeter. Q: What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil? Choices: - radio telescope - thermometer - alethiometer - calorimeter A:
(A).
calorimeter

(Q).
Answer the following question given this paragraph: Symbiosis describes a close and long-term interaction between different species. Q: What describes a close and long-term interaction between different species? Choices: - endosymbiosis - dermatitis - parasitic - symbiosis A:
(A).
symbiosis

(Q).
Answer the following question given this paragraph: Four unifying principles form the basis of biology. Whether biologists are interested in ancient life, the life of bacteria, or how humans could live on the moon, they base their overall understanding of biology on these four principles:. Q: Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science? Choices: - electronics - chemistry - geology - biology A:
(A).
biology