Across:
1. Thorium
2. Arsenic
3. Zirconium
4. Lithium
5. Bromine
6. Tin
7. Calcium
8. Nickel
9.Carbon
10. Gold
11. Radium
12. Potassium
13. Chlorine
14. Manganese
15. Francium
16. Mercury
17. Nitrogen
18. Neon
19. Platinum
20. Hydrogen
21. Lead
22. Cobalt
23. Oxygen
24. Fluorine
Down:
1. Titanium
2.Argon
3. Zinc
4. Lanthanum
5. Barium
6. Silicon
7. Copper
8. Sodium
10. Aluminum
11. Radon
12. Krypton
14. Magnesium
15. Iron
16. Helium
18. Niobium
19. Polonium
Answer: B. A property owner clear-cutting all of the trees on his land to sell for timber.
Explanation:
The tragedy of the commons is a problem whereby an individual pursue his or her own personal gain at the expense of the overall well-being of everyone in the society.
In this question, the tragedy of commons will be a property owner clear-cutting all of the trees on his land to sell for timber. Even though the owner makes some income for himself, this act will bring about soil erosion, depletion of resource or flood. He neglected the society in order to satisfy his own needs.
The Answer is A. The presence of sodium potassium pumps has nothing to do with water moving in and out of cells.
They are hydrophobic and insoluble in water
