Answer:
As a person who lives in Alaska, the Russians sold it because i guess they thought it was useless but little did they know its like a major gold mine!
Explanation:
1. dependent: mice’s weight. independent: amount of amino acid
2. dependent: plant’s height. independent: color of lights
3. dependent: amount of ammonia released.
independent: type of fish food
4. dependent: plant height. independent: temperature of water
5. dependent: tadpole’s development
independent: protein supplement or not
Answer:
Cities to urbanization in neighboring areas. It may be done because the neighboring urban areas seek municipal services or because a city seeks control over its suburbs or neighboring unincorporated areas.