Lordosis is considered as the abnormal curvature that forms at the lower and lumbar spine. An easy way to remember this, is that lord mean the equivalent of lumbar.
Answer;
A. gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures.
Explanation;
Air pollution is a type of pollution that occurs when harmful or excessive substances such as particulates, gases and biological molecules are introduced into Earth's atmosphere.
The burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power our vehicles is the major cause of air pollution.
The nerves go through the muscular system and "control" them making then feel and move. hope this helps
Contour farming and reducing tillage are two practices that can help reduce erosion.
Contour farming - it creates reservoirs to collect rainwater and reduces soil erosion Reducing tillage - allows crops to remain in the soil as to reduce soil erosion; no tilling means no interruption to the soil structure