Answer:
Combustion of a substance
Explanation:
Johann Becher in 1669 proposed that all the material are composed of the rocks, water and the oils present in the Earth.
When the material is burned, the oil present in the material which is responsible for the combustion. The oil is escaped into the atmosphere which is released through fire and flames are the signs that it is releasing.
In 1703, George Sthal renamed this combustible component called the "Phlogiston" which is taken from the Greek language to refer in flame.
Therefore, phlogiston is responsible for the combustion of a substance.
In the agricultural practices cover plants are grown for the enrichment and the protection of the soil. They are not harvested to be sold as cash crops.
<h3>What are the cover crops used for?</h3>
Cover crops are grown in the agricultural land parts to maintain the soil fertility and quality so that the land will be safe from the invasion and attacks of pests and weeds.
They are generally grown after the reaping of cash crops and help in soil binding by preventing erosion from the water runoffs.
These plants help in fixing the nitrogen content of the soil and help the soil to remain fertile and nutrient-rich. They increase the organic and the mineral compounds to the soil profile and enriches the soil quality.
Therefore, option c. they are sold as cash crops is incorrect.
Learn more about cover crops here:
brainly.com/question/6704704
1- Synthesize this hormone
3- a decrease in the amount of glucose in the blood
4- may have fewer side effects then the insulin previously extracted from the pancreas of other animals
5- release of insulin
6- different parts of an individual's DNA are used to direct the synthesis of different proteins...
I would test put the material that a want to use in a place were a think is going to have the same seasons