Explain why it's important to subject the GM plants and the non-GM plants to the same conditions

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.