an resource
weird
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
They are part of the food chain and environment.
Useful materials found in an environment are called natural resources. Not all Natural Resources are renewable. Minerals and fossil fuels are non-renewable natural resources. Water and tree are renewable.
they can transport large amount of materials or people at once
A useful plant is one that serves a purpose or provides benefits to people, such as food, medicine, materials for shelter or clothing, or improving the environment by absorbing pollutants or providing habitat for wildlife. It is also considered useful if it has a positive impact on human health, nutrition, or well-being.
Useful materials found in an environment are called natural resources. Not all natural resources are renewable. Minerals and fossil fuels are non-renewable natural resources. Water and tree are renewable.
manipulation
There both materials
yes,it is very useful to save a environment.
Visual exposure
visual exposure