Correct Answer is A. They were able to increase their productivity due to the popularity of tractors.
Answer:
precipitate
Explanation:
In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant. The clear liquid remaining above the precipitated or the centrifuged solid phase is the ' supernate' or ' supernatant'.
Products of aerobic respiration would be water and carbon dioxide
I don't know your chart, but I can provide some data:
Niger's migration rate is -0.5/1000 people: this migration rate is negative, which means that more people leave Niger than enter it.
Italy's migration rate is 4.2/1000 people: this means that more people enter Italy and settle there than leave it.
Answer;
1. process chemicals through multiple stages in living and nonliving things.
3. recycle Old matter into new matter.
Explanation;
-The earth has biogeochemical cycles that recycle life materials and are essential to the biosphere.
-The bio-geochemical cycles transport and store these important elements so that they can be used by living organisms. The most important biogeochemical cycles are the carbon cycle, nitrogen cycle, oxygen cycle, phosphorus cycle, and the water cycle.