A scientific model can be used to test a hypothesis.
Answer:
750
Explanation:
30% of 2,500 is 750, therefore 750 calories is the maximum number one should get from fat each day.
Answer;
Acid rain is mostly a problem in the Northern Hemisphere.
Explanation;
This can be attributed to the fact that the area has a large, densely populated cities and a concentrated number of industrial and power plants in an area. These factors contribute to acidic gases in the environment such as sulfur oxide, nitrous oxide, which mix with rain water to form acidic rain. Additionally, prevailing wind direction which brings with it the pollution from the midwest to the north east.
Cellular respiration produces carbon and it’s a long process involved with the mitochondria, pretty much cellular respiration puts carbon into the air from plants.
When photosynthesis is how plants grow, by taking the sun as a energy source instead of consuming other things for energy
Make sense?
Have a good day
