A......................................................
Answer:
Turnado
Explanation:
A storm is a lightning from the air, thus we know it isn't storm
Another disaster like hurricanes can not make a narrow pass because they flow in circles
So turnadoes are the correct answer.
Hope this helps!
Answer:
ponds cooler than 20 °C
Explanation:
There is great effect of temperature on the dissolved oxygen in a pond water,
When the water is hotter it will hold less oxygen but when the water is cold it will holds more oxygen. Therefore, ponds cooler than 20 °C will will have a higher average oxygen concentration.
Speed in a given direction is called velocity.
Population density is the number of people per unit of area. Usually measured by how many people are in a square mile or square kilometer.