Some of the first experiments in cloud seeding were conducted by Vincent Schaefer and Irving Langmuir during the late 1940s. To seed a cloud, they dropped crushed pellets of ____ from a plane.
a. silver iodide
b. silver iodine
c. lead iodide
d. cupric sulfide
e. dry ice
Question 2
The idea in cloud seeding is to first find clouds that have too low a ratio of ice crystals to droplets and then to add enough artificial ice nuclei so that the ratio of crystals to droplets is about ____.
a. 1:100
b. 1:1,000
c. 1:10,000
d. 1:100,000
e. 1:1,000,000
The Kuiper Belt and Oort Cloud
The traits Mendel used in his experiments, and the results of the F1 and F2 generation crosses.
Based on the experiments summarized here, how do you think women would modify their interactions if ...
Cloud Types: High Clouds
Cloud Types: Middle Clouds
Cloud Types: Low Clouds