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The correct answer is B
Which enzyme is pivotal in blood clotting?
Ebola disease is caused by which of the following?
Which element has the highest percentage in the Earth's crust?
Which part of cinnamon tree is used in medicines?
Insulin hormone is secreted by which of the following organ?
What does a Venturimeter measure?
What are the small, hair-like structures in the upper part of the respiratory tract called?
Who discovered the virus?
What type of cloud formation results when airplanes fly through banks of altocumulus clouds?