16. The ozone layer of the atmosphere is very important to us because
a. it is found in the middle layer
b. it prevents heat from escaping the earth
e. it protects the earth from harmful ultraviolet radiation
d. it is composed of a thick layer of gases
17. The fourth layer of the atmosphere is the thermosphere, which among the following doesn't describe it?
a. located below the exasphere
c. the hottest layer of the atmosphere
b. temperature goes up with altitude
d. most jets fly in this layer
18. An astronomer wants to put a satellite to monitor the situation of the Earth. In what layer of the atmosphere should
he place the satellite?
a. mesosphere
b. thermosphere
c. exosphere
d. troposphere
19. Which of the following human activities contribute to global warming?
a. I only
bH, ill, IV
1. Planting trees in wider areas
Hl. Deforestation
c. I, II, HI, IV
d. IV only
II. Burning of fossil fuels
IV. Overpopulation
20. What happens when air is heated?
2. It expands, then rises
e. It stays in place
b. It spreads in all directions
d. moves toward a lower elevation
21. What happens to the surrounding air as warm air rises?
a. moves away from the rising air
c. moves toward the place where warm air rises
b. moves to a higher altitude
d. moves in all directions
22. In what direction do winds blow?
a. from the northeast to the southwest
c. from low pressure areas to high pressure areas
b. from the southwest to the northeast
d. from high pressure areas to low pressure areas
23. Which of the following doesn't describe Sea Breeze?
a. Land warms up faster than the water
c. Dry land cools faster than water
b. Wind blowing from the sea
d. Cooler air replaces the warm air
24. At night, dry land cools faster than water, due to the water's large specific heat capacity, this concept is all about?
a. Sea Breeze
b. Land Breeze
c. Hanging Amihan d. Habagat
25. Which of the following statements is NOT TRUE about amihan and habagat?
a. Amihan brings cool and dry air.
b. Habagat brings heavy rain.
c. Here in the Philippines, we can experience Amihan during month of December
d. Habagat is also called as Winter monsoon.
tament chances answers incite the boy​