Can anyone do it in a recording as a male voice describe your ideas for protecting the environment at home and at school using any audio recording software. use the vocabulary about environmental protection and sustainability that you learned in the lesson. submit the audio file to your teacher.

ancient india is often called the harappan civilization because one of the ancient cities was called harappa. harappa was just one of 1500 cities in the indus river valley. another well-known city is called mohenjo-daro. historians estimate ancient india to be the biggest of all four early civilizations.