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A scientist is studying the growth of two plant species, A and B, under different conditions of light intensity. The table below shows the average growth rate (in cm per week) for both species at three different light intensities.
Light Intensity (lux) Species A Growth Rate (cm/week) Species B Growth Rate cm/week) 500 1.2 2.31 1000 2.5 4.0 1500 3.7 5.2
The scientist notes that under certain light conditions, species B grows nearly twice as fast as species A. Based on the data, under which light intensity does this occur?
A) 500 lux
B) 1000 lux
C) 1500 lux
D) None of the above
A team of scientists measured the temperature changes in two cities, A and B, over five days. The table below shows the average temperature in degrees Celsius for both cities during this period.
Day City A (°C) City B (°C) 1 20 25 2 22 26 3 24 28 4 23 27 5 21 24
What is the average temperature difference between City A and City B over the five days?
A) 3°C
B) 4°C
C) 5°C
D) 6°C
Reaction Times of Three Chemicals at Different Temperatures
Temperature (°C) Chemical X (s) Chemical Y (s) Chemical Z (s) 20 15 20 18
40 10 12 13 60 7 9 8
Which of the following statements is supported by the data?
A) Chemical X reacts faster than Chemical Y at all temperatures.
B) Chemical Z reacts fastest at 20°C.
C) At 40°C, Chemical Y reacts more slowly than Chemical Z.
D) At 60°C, Chemical Z reacts more slowly than Chemical X.
Select the choice that best improves the sentence.
Original: The committee discussed about the new project during the meeting.
A) NO CHANGE
B) discussed regarding the new project
C) discussed the new project
D) had discussed about the new project
Battery Performance Under Different Loads
Load (Watts) Battery A (Hours) Battery B (Hours) Battery C (Hours) 5 10 12 15 10 8 10 13 20 6 7 9
If a device operates at a load of 10 watts, which battery would last the longest?
A) Battery A
B) Battery B
C) Battery C
D) All batteries have the same lifespan
Which choice provides the most relevant detail to the sentence?
Original: She was surprised to learn that the ancient ruins, which had stood for centuries, were only recently discovered by archaeologists.
A) The ancient ruins were located near a small village in Peru.
B) The ancient ruins included stone carvings that depicted historic battles.
C) Despite their age, the ancient ruins had never been explored before.
D) The ancient ruins were made of sandstone, a relatively soft rock.
In the context of the paragraph, which sentence is best placed immediately after the first sentence?
First sentence of paragraph:
"The town of Riverbend is famous for its annual harvest festival, which draws thousands of visitors each year."
A) The festival, which started over a hundred years ago, celebrates the end of the farming season.
B) Riverbend also has a well-preserved historic district with buildings from the 1800s.
C) Many local farmers bring their freshest crops to the festival, where they are sold to eager visitors.
D) In addition to the harvest festival, Riverbend offers many outdoor activities, including hiking and kayaking.
