ENVIRONMENTAL SCIENCE

4. Stable and unreactive
7. The study of man
10. Fall between metals and non-metals
11. Energy stored in the bonds of chemical compounds
14. This method consists of collecting facts and data by the observation of natural phenomena.
15. Are biological substances that are soluble in nonpolar solvents and insoluble in polar solvents
16. A substance that produce OH- when dissolved in water
19. Include environmental geology, soil sciences, volcanic phenomena and evolution of earth’s crust
21. Are aldehydes or ketones with multiple hydroxide (-OH) group
23. A substance that cannot be separated into two or more substances by ordinary physical or chemical means
27. Deals with the predictable behavior of the world around us
29. Are biological polymers important in almost all life processes
30. the study of interactions among physical, chemical, and biological components of the environment and the solution of the environmental problems.

1. He proved polluted water causes cholera
2. A substance composed of the chemical elements hydrogen and oxygen and exists in gaseous, liquid, and solid states
3. Temporary explanation or supposition of related facts
5. It explore human society past and present, and the way human beings behave
6. Substances that contain two or more elements
8. A statement of the behavior of nature
9. Division of Science that deals with natural objects and natural phenomena
12. Has mas and occupies space
13. Energy of electromagnetic waves
17. The property that must be transferred to an object in order to perform work on, or to heat, the object
18. A substance with constant composition
20. Focuses on the Earth’s atmosphere, with an emphasis upon its interrelation to the other system
22. It has a luster, conduct electricity, conduct heat, malleable and ductile
24. Focused on plant life
25. Energy in the nucleus or core of an atom
26. The study of the interactions between life and its physical environment
28. Is the explanation of a supposed fact