Tony, who works in a pesticide factory, comes to the clinic complaining of muscle spasms that interfere with his movement and breathing. a blood test shows that he has been contaminated with organophosphate pesticide, which is an acetylcholinesterase inhibitor. explain the reason for his involuntary muscle spasms. explain why he is experiencing difficulty in breathing.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.