Which phrase best describes the role of science in forming the Clean Water Act? reporting cost-effective ways to reduce pollution monitoring how many people suffer from cholera releasing guidelines to enforce chlorine use at treatment plants determining the need to create the Environmental Protection Agency

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

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.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.