Drill 3

Where do we trace the El Niño phenomenon?

• Rising of ocean levels

• Very severe earthquake

Which of the following is predicted to be the result of global warming?

• Rising of ocean level

• Thinning of ozone layer

• More severe earthquakes

• Large volcanic eruption

Why do fishermen catch more fish during the new moon than during full moon?

• Fishes look for mates during the new moon.

• Fishes are attracted to the light from the fishing boat.

• Fishes go near the water surface during new moon because water is warmer.

• Fishes are more active during new moon because salt content of water is just right.

The possible interconnected feeding relationships among organisms in an ecosystem are termed

• Food chain

• Food pyramid

• Food groups

Which of the following alternative resources of energy could result to acid rain?

• Solar

• Geothermal

• Biogas

• Nuclear energy

A manager of a textile company said it is too expensive to treat liquid wastes so he suggested digging hole near the factory where wastes can be stored. Is this environmentally safe?

• No, the liquid can be recycled

• No, the liquid waste will seep to the ground water.

• Yes, the liquid wastes will be less hazardous with time.

• Yes, the liquid will pass though layers of soil and becomes clean

Why do people feel warmer just before it rains?

• Heat released by the condensation of water vapor.

• The clouds prevent heat from escaping the earth.

• The increased relative humidity makes them feel warmer.

• The warming is due to the heat absorbed by the evaporation of water.

On the ground, Francis weighs 500n. aboard flying at an elevation of 1500 m, what would his mass be?

• 5 kg

• 50 kg

• 100 kg

• 150 kg