Water is an essential resource for life on Earth. Considering how vital and precious water is, it is almost unbelievable that it can be used so carelessly. Sewage, toxic chemicals, fertilizers, pesticides, oil, metals, and solid trash pollute the water in lakes, streams, and oceans around the world. Water Resources explores the ways in which water on Earth has become polluted--and what people a…
A science book about valuing and caring for our Earth's resources.
A science book about how landscapes are formed and tectonic influence.
Lingkungan khatulistiwa Indonesia mendorong evolusi sejumlah besar jenis binatang. Bentuk daratan kepulauan Indonesia menambah kekayaan margasatwa Indonesia. Itu sebabnya margasatwa Indonesia bagian Barat sangat berbeda dengan margasatwa Indonesia bagian
A science book about different types of rocks.