Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel.

There is an inverse correlation.

Explanation:

A convection cell can be described as an area of which it's boundries can be stated where two substances either fluid or gas can move due to the temperature changes.

Temperature and density in a convection cell have a relationship which is inversely correlated meaning that if the temperature increases, the density decreases and the matter which has a higher temperature and also lower density moves towards the part with the greater density. The direction of travel of the warmer substance is upwards and vice versa.

The mantle of the earth or the atmospheric movements between the land and the sea can be given as examples to convection cells.

I hope this answer helps.

4.) metal

"-the movement of carbon from the nonliving environment into living things and back to the environment

-carbon is the essential component of proteins, fats, and carbohydrates (which make up all organisms)

-carbon exists in air, water, and living organisms

-producers convert carbon dioxide in the atmosphere into carbohydrates during photosynthesis

-bacteria in the atmosphere cycles through the system in filtration units

-in cellular respiration, carbon is released back into the atmosphere as carbon dioxide

-some carbon is stored in limestone (forming one of the largest "carbon sinks" on earth)

-largest carbon reservoir on earth= limestone

-carbon stored in the bodies of organisms as fat, oils, or other molecules may be released into the soil or air when the organism dies

-this may form deposits of coal, oil, or natural gas (fossil fuels, which increased the atmospheric carbon dioxide)

-fossil fuels store carbon left over from bodies of organisms that died millions of years ago

-they are located in the surface of earth, deep within the earth and beneath the ocean floor."