Answer:
heyyy i dont understand what ur asking
Explanation:
Answer:crop rotation efficient irrigation systems minimal use of fertilizers soil and water conservation
Answer:
Air particles are a mixture of solids and liquids that are microscopically tiny and suspended by air currents. It can stay in the atmosphere for a few hours to a month or two. Their constituents can be various harmful substances such as heavy metals - lead, nickel, arsenic, cadmium or polycyclic aromatic hydrocarbons
Explanation:
Air particles, nitrogen dioxide and ground-level ozone are now considered to be the three most polluting substances in human health. Exposure during peak concentration and long-term exposure to these pollutants can cause damage from respiratory distress to premature death.
Answer:
C
Explanation:
The crayfish is a relatively large specimen, even the mouthparts. Since you are dissecting the mouthparts, you need a 3D view: you should use the dissecting microscope.
