Problem: Given the question: Process: - Magma rises from deep in the earth - The magma goes into volcanos - The volcanos pressure the magma upwards - The pressure causes the magma to push through the surface of the volcano - The lava cools - The lava forms new rock - New magma is pressured to the surface of the volcano - The volcano bursts through the rock the formed after the last eruption. Question: suppose the volcano has less pressure happens, how will it affect magma would push through the surface of the volcano more often. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
B

Problem: Given the question: Process: - Your thermostat senses that the room temperature has fallen below your thermostat setting - Your thermostat sends a signal to your heating system to provide heat for your home - When your oil burner is engaged, heating oil travels from the tank to the burner by way of a pump - Here the oil becomes a fine mist mixed with air - The fuel/air mixture is then injected into the burner where it is ignited in the combustion chamber - The warm air is disbursed through vents, hot water through baseboards, or by steam radiators - Question: suppose less oil is combined with air happens, how will it affect MORE heat for the house. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
A

Problem: Given the question: Process: - Coal is harvested from a coal mine - The coal is transported either by train or truck to power station - The coal is burned in a furnace - Water is turned into steam in the boiler - The steam is cooled in cooling towers - The steam turns the turbines - The generator makes electricity - The electricity is sent through transformers. Question: suppose there are fewer people willing to work there happens, how will it affect MORE coal arriving at the power station. - A: more - B: less - C: no effect
++++++++++++++++++++++++++++++++
The answer is:
B