What steps or practices are farmers using to improve soil health?

They are not using as much or any pesticides, which is used to get rid of bugs that eat their crops, yet harms humans at the same time. Another way to make sure the soil stays healthy it to keep growing plants and crops. Usually when soil is left idol for too long, it will become dry and useless.

Explanation:

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.