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25
×
As the prey population increases, what happens to the predator population? Suggest one reason why this might happen.
The predator population increases. because there is more food available
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seesaw
Swap points!
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star
Double points!
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gift
Win 20 points!
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thief
Give points!
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25
15
×
Yes or No?
Yes
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lifesaver
Give 15 points!
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star
Double points!
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shark
Other team loses 15 points!
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banana
Go to last place!
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15
×
Write the word equation for resistance.
RE= voltage / Current
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15
×
what's the answer?
A= alveoli
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15
×
Give and explain two (2) factors that affects resistance.
temperature, width of wire, length of wire, type of the material.
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seesaw
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shark
Other team loses 15 points!
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fairy
Take points!
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25
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lifesaver
Give 10 points!
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15
×
The current through a bulb is 0.5 A when the voltage across it was 19 V, what is the resistance?
r= 19/0.5 =38 ohms
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baam
Lose 20 points!
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magnet
Take 25 points!
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rocket
Go to first place!
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baam
Lose 15 points!
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15
×
Give one difference between chemosynthesis and photosynthesis
Chemosynthesis requires chemical reaction but photosynthesis requires sunlight...
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15
×
what's the answer?
Nitrogen, Potassium Phosphorus
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15
×
what's the equipment?
Voltmeter
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15
×
what the angle with the downward arrow called?
angle of incidence
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15
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what's the answer?
Periodic table
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15
×
what the angle with the upward arrow called?
angle of reflection
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