Mainly to make life easier.
if one layer changes than scientists don't need to change all of their data.
it also helps keep organized.
hope this helped
ebs02
:)
Answer:Each of us has the power, through our own choices and actions, to save American lives and rescue the most vulnerable among us.
That’s why we really have to do what we all know is right. Every citizen is being called upon to make sacrifices. Every business is being asked to fulfill its patriotic duty. Every community is making fundamental changes to how we live, work, and interact each and every day, and I wouldn’t be surprised to see this going on long into the future, when this virus is gone and defeated. Some of the things we’re doing now will be very good practice for the future, including for not getting the flu, which is very devastating also. So some of what we’re learning now will live on into the future — I really believe that: shaking hands or not shaking hands; washing hands all the time; staying a little apart.
Explanation:...
Answer:
b. can consist of manure, crop residues, or bone meal is the correct answer.
Explanation:
Organic fertilizers are derived from the plant-based material and animal excreta, vegetable matter, animal matter, crop residues, and human excreta.
Examples of organic fertilizers are:
Organic fertilizers provide essential nutrients in the soil, improves the structures of soil, decrease the soil erosion caused by rain by increasing and improving the soil's capacity to hold the nutrients and water.
Water fffffffffddddddddddddd
