Which direction below is a step in preparing a wet mount slide

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Why does bubbling occur when vinegar mixed with baking soda

What is the difference between a meteoroid and a meteor?