What is planted vegetation? 16. Which political party led Uganda to independence? 17. What form of money did Arabs introduce in East Africa? 18. Why should a zebra crossing be put on busy roads? 19. W

Here are the answers to your questions:

15. Planted vegetation refers to plants grown or cultivated by humans.

16. The political party that led Uganda to independence was the Uganda People's Congress (UPC).

17. The form of money introduced by the Arabs in East Africa was cowrie shells.

18. A zebra crossing should be put on busy roads to provide a safe designated area for pedestrians to cross, thereby preventing accidents.

19. One place in Uganda where limestone is mined is Tororo.

20. Mt. Kilimanjaro and Mt. Elgon are similar in their formation because both are extinct volcanoes.

21. The physical feature that covers most parts of East Africa is the East African Plateau (or the East African Rift Valley).

22. One effect of the rotation of the Earth is the occurrence of day and night.

23. The Equator is marked $0^\circ$ on the globe because it serves as the reference point for measuring latitude, dividing the Earth into the Northern and Southern Hemispheres.

24. Symbols are used on a map instead of real objects to save space and make the map easier to read and understand by representing features concisely.

25. Step 1: Calculate the time difference. The Earth rotates $1^\circ$ in 4 minutes. Place X is $45^\circ$ E of Greenwich Meridian. Time difference $= 45^\circ \times 4 \text{ minutes/degree} = 180 \text{ minutes}$.