Answer:
activity
Explanation:
Activity is a thing that a person or group does or has done or the condition in which things are happening or being done.
Answer: The radiation of the Sun's electromagnetic waves.
Explanation: The Earth's surface radiates energy back into the atmosphere. Then Gases in the atmosphere radiate heat back to the surface..:)
That is a strange question, but human beings are natural resources for the same reason that cows, pigs, etc. are; humans can reproduce and are therefore can sustain a certain quantity on our own. In shorter terms, we can make more humans, so we are a natural resource.
You would use B. Lines of latitude
