What is the smallest taxonomic group that contains organisms of different species?

Why does bubbling occur when vinegar mixed with baking soda

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

A(n) is a molecule influences the way that a molecule reacts.