~LEGIT NA SAGOT PO PLEASE.

1. Seismographs record only the amplitude of seismic waves and yield information about the Earth and its subsurface structure. 

b. False

c. Maybe

d. cannot be determined

a. True

2. Typhoon signals with winds of 30 -60 kph may be expected in at least 36 hours or intermittent rains may be expected within 36 hours 

a. 1

b. 2

d. 4

c. 3

3. The country is frequented by 20-21 tropical cyclones annually, almost half of which made landfall.

a. True

c. Maybe

d. cannot be determined

b. False

4. Which location is NOT within the Philippine Area of Responsibility? *

b. 14° N, 120° E

c. 15° N, 138° E

d. 25° N, 135° E

a. 10° N, 118° E

5. Even the low pressure that is located outside the PAR, still it was given a name by PAGASA. 

d. cannot be determined

c. maybe

b. false

a. true

6. Typhoon signals with very strong winds of more than 185 kph and may be expected at least 12 hours.

a. 1

b. 2

c. 3

d. 4

7. The Philippines is prone to tropical cyclones due to its geographical location which generally produce heavy rains, flooding of large areas and also large scale-winds. 

d. cannot be determined

b. false

a. true

c. maybe

8. Space rock fragments before it enters Earth’s atmosphere.

a. meteor

c. meteoroid

d. meteorite

b. asteroid

 9. It is mostly composed of rock (silicates) and metals (iron and nickel).

a. meteor

c. meteoroid

d. comet

b. asteroid

10. Most asteroids are found in the ___________ 

b. Asteroid belt

a. Oort Cloud

c. Kuiper belt

d. between Pluto and Neptune

11. A third type of comet tail as dust and plasma (or ion) tails.

b. dust tail

d. faint-sodium tail

a. plasma tail

c. ion tail

12. The most famous comet of the 20th century is the only known comet. 

d. Comet Hyakutake

b. Comet Hale-Bopp

c. Comet Ison

a. Comet Halley

13. Comets and asteroids are referred to by astronomers as Near-Earth Objects (NEO). 

c. maybe

d. cannot be determined

a. true

b. false



















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