Which of these atmospheric gases is a variable gas (accounting for a variable percentage of the atmosphere)?
a. oxygen
b. argon
c. ozone
d. nitrogen
e. neon
c
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Which of the following refers to an active remote sensing system?
A) Radar B) Color infrared photography C) GPS D) Thermal infrared imagery E) Black and white photography
Russian is an example of an isolated language and it is unrelated to other language families
Indicate whether the statement is true or false.
Complete the concept map displayed below by selecting the correct response from the answers provided.
Think about the orbits of Kuiper belt comets, Oort cloud comets and asteroids. Place them in order from longest to shortest average amount of time required for each of them to orbit the sun.
A. Oort cloud, Kuiper belt, asteroid B. Kuiper belt, Oort cloud, asteroid C. Asteroid, Kuiper belt, Oort cloud
During cloud seeding, dry ice is much easier to handle than silver iodide, because it can be supplied to the cloud from burners located either on the ground or on the wing of a small aircraft
a. True b. False