Answer:
There is an increase in density and a corresponding increase in the temperature of the fluid
Explanation:
The temperature and density changes occur in a fluid or gas material that cause convection to occur include increase in density and a corresponding increase in the temperature of the fluid.
This is because convection involves the movement of fluids from a hotter area to a colder area and hot fluids usually have a lower density.
Answer:
1) A
2) B
3) B
Explanation:
rain brings water back to Earth
water goes up to the sky in clouds
water has to go up before it becomes a cloud
Carbon has 4 valence electrons
