Geography

3. A multiple (100) of the pascal
5. the cultivation of a single crop in a given area.
8. a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
10. the weather conditions prevailing in an area in general or over a long period.
11. agriculture conducted on strictly commercial principles.
13. the rearing of aquatic animals or the cultivation of aquatic plants for food.
14. grabbing used to describe the purchase or lease of large tracts of fertile land by public or private entities
15. the proportion of the incident light or radiation that is reflected by a surface,
16. a biological community of interacting organisms and their physical environment.

1. the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.
2. the angular distance of a place north or south of the earth's equator, or of the equator of a celestial object
4. the ability to be maintained at a certain rate or level.
6. radiation the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun.
7. the supply of water to land or crops to help growth
9. a large naturally occurring community of flora and fauna occupying a major habitat,
12. the quality or degree of being saline.