Answer:
Adding organic matter or growing cover crops
Explanation:
Adding organic matter or growing cover crops in the form of aged manure to the soil is a process used in producing garden soil and this is because not only will the compost make the land good and fertile it will also makes the garden soil friable unlike the application of fertilizer
The earth was created by God in 7 days by forming it and calling it good on the 7th day of creation
Answer: Carbon 12 and Carbon 13
In plant, the ratio of carbon 12 and carbon 13 isotopes is different depending upon the plant photosynthesis. The distribution of these isotopes in plant tissue can indicate the path way of carbon metabolism that is either C3 fixation or C4 fixation. This help scientist to know if the plant consumed by organism is C3 plant or C4 plant by measuring the isotopic signature of their collagen and other tissues.
This can help scientist know which plant is consumed by animals.
