Write T (true) or F (false)
4- Heat and light are forms of chemical energy. .............................
5- Pollution is harmful to the environment. ................................
6- Contaminants are always naturally found. ........................
7- Pollution is the cause of many serious illnesses.
4- Heat and light are forms of chemical energy. .............................
5- Pollution is harmful to the environment. ................................
6- Contaminants are always naturally found. ........................
7- Pollution is the cause of many serious illnesses.
Respuesta:
4. F
5. T
6. F
7. T
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