A wildfire fueled by extreme winds burns thousands of acres of croplands, decimating many fields, trees, and structures in the area. Which of the following strategies should farmers implement as sustainable practice(s) to promote soil conservation? i. Utilize standing tree lines as windbreaks for farms
ii. Avoid adding manure to burn areas to prevent phosphate buildup i
iii. Encourage nutrient distribution by controlled flooding of farmlands

I only
II only
I and II only
I and III only

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.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: