1).
the boundary that separates different air masses is called a(n)
front
cyclone
anticyclone
storm

2).
along which type of front is the intensity of precipitation generally heavy, but short-lived?
warm front
cold front
stationary front
occluded front

3). what kind of shape is associated with a middle-latitude cyclone?
circle
wave
square
triangle

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?

List charasteristics of athenosphere

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp