No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
Answer:
Antibiotics cannot kill viruses because bacteria and viruses have different methods to survive and replicate. Viruses replicate via inserting their DNA into a host cell.
Explanation:
I know things.
The scientists' conclusions are most likely unreliable because <u>he asked the wrong set of people for his survey.</u> By definition, environmentalists are those people who are inclined to believing that humans are entirely responsible for creating biological foot prints all over the Earth. They always advocate the protection of the environment and even persuade people to follow suit. It is natural for them to react in such a manner that they find dams as something harmful because to them, dams destroy the natural cycle of Mother Earth.
Plants use sugars and mineral from the sail to make food and use the energy from the sun to create the sugars used to make the food. They also use the carbon dioxide from the air to help create the food.