D: All the variables are controlled except one.
Answer:
Alpine tundra areas are found only at high elevations.
Explanation:
The arctic tundra is a specific region that covers the northernmost parts of the world from the north pole and extending south, whereas alpine tundra are found across the world at high altitudes.
Answer:
Depends on temperature
Explanation:
If the volume of a container is increased, so does the temperature.
If the volume of a container is decreased, so does the temperature.
The answer is:
For the farmers own needs
