List four healthy habits, and four descriptions of the habits, and four why it is important, and four cite your source.

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

oxygen +1 most likely

its b. greenhouse gasses trap uv rays for heat so that the plants stay alive.