Electromagnetic waves<span> can </span>travel<span> not only through air and solid materials, but also through the vacuum of space.</span>
They built dams which enabled them to control the flow of water and conserve water for future cases where a drought comes. So far it has been useful even though dams can be controversial because of natural habitats of animals that usually get affected.
Answer:
some organisms fit into more than one category
Explanation:
Its Right