PLZZZ HELP During a field trip to a weather station, students were shown how an instrument used to measure the height of water relative to land works. The instrument is called a .
A)
rain gauge
B)
tide gauge
C)
wind vane
D)
land-water gauge
E)
water gauge

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

What is the difference between a scientific hypotheses and a scientific theory?

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere