Explain: Clouds often form when a large mass of warm, moist air rises quickly and cools, resulting in condensation of the water vapor. Based on this statement, why do clouds tend to form around 3:00 p. m. and 6:00 a. m.?

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Which is the correct formula for photosynthesis