Answer:
physical boundaries.
Explanation:
Physical boundaries are take in consideration political borders, Political maps show the borders of countries.
Answer:
It is valuable resource
Explanation:
the people provide other resources such as human resource,labour .economic improvement.
Answer:
Chloroplasts
Explanation:
Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.