Question

Gordon wrote this passage about mechanical waves for his physics class. But he got most of his facts mixed up. Only one sentence is correct. Which sentence is it?
A .Mechanical waves don’t need a medium to travel. When they travel through a vacuum, mechanical waves are oval-shaped. They’re either transverse or double transverse waves. B. Mechanical waves can apply pressure to and push on objects in their path. C. But they travel slower in denser mediums.

Answer 1

Environmental conservation is a broad term which refers to the actions we take in order to protect our planet and conserve its natural resources. ... Environmental conservation implies to the conservation of forests, water resources, mineral resources etc.All forms of electricity generation have an environmental impact on our air, water and land, but it varies. ... Producing and using electricity more efficiently reduces both the amount of fuel needed to generate electricity and the amount of greenhouse gases and other air pollution emitted as a result.