Environmental Science

7. it is often measured in calories
11. it is the smallest particle of an element that stillhas the properties of that element
12. it is done when force is applied to an object over a distance
13. economic social and political elements are essentially man-made features, which make cultural milieu
14. it is a pure substance, it cannot be broken down into other types of substance
15. it is the study of energy
18. it is a common chemical substance on planet Earth.
19. it is the energy that comes from the temperature of the heated substance
21. the study of interactions among physical, chemical, and biological components of the environment and the solution of the environmental problems
23. a widely accepted hypothesis that stands the test of time.
25. it is the study of the interactions between life and its physical environment
26. it is main element in organic compounds
27. where the life operates.
28. comprises all types of water resources oceans, seas, lakes, rivers, streams l, reservoir, polar, icecaps, glaciers, and ground water
30. it is the energy stored in molecules and chemical compounds

1. it organized body of knowledge that is obtained by study and experimentation
2. the vast of the majority of our people directly dependent on the nature resources of their country for their basic needs
3. determine the variable character of the human habitat, its opportunities as well as limitations.
4. the study of the sources, reactions l, transport, effects, and fates of chemical species in the hydrosphere, lithosphere, atmosphere, and biosphere
5. it is the energy in the nucleus, or core of an atom
6. it is a substance that consists if two or more elements
8. the protective blanket of gases surrounding the earth
9. it is a process that changes some chemical substances into others
10. the sum of all tye biochemical reactions in an organism
16. it is a compound found mainly in living things
17. anything that takes up space and has mass.
20. it is the outer mantle of the solid earth
22. it is the ability to do work
24. it is generally expressed in kilowatt-hours(kWh)
29. a substance that forms as a result of a chemical reaction