Four measurements are made of the length of an object 22cm, 23cm, 26cm, & 29cm. what is the precision or percent difference of 23cm measurement?
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Convert 4.9 x 10^8g into megagrams
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The density of steel is 8.05g/cm. if a steel ball has a volume of 192cm3 then what is its mass?
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Calculate the circumference of a circle with a radius of 5.1cm
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True or false: a line of best connects all points from a data set
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True or False
Parts of the electromagnetic spectrum from lowest frequency to highest
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List each of the parts of the electromagnetic spectrum in order of lowest to highest frequency. Write down one use for each one, and a possible danger of each. Which …
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What are the most basic building blocks of all organisms?
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organs
B.
blood
C.
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D.
tissue
A 3.0 m long ladder leans against a frictionless wall
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A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 74.3 ◦ with the floor. The ladder has a mass 25.8 kg. A 67.08 …
Constellations rise in the ____ and set in the ____
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The sun, moon, planets and stars rise in the ____ and set in the ____.
Why is it warmer at the equator than the poles
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Why is the Earth generally warmer at the equator than at the poles?
The joining of an egg and a sperm is called
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The joining of an egg and a sperm is called fertilization?
What is the relationship between the stoma and air space
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What is the relationship between the stoma and an air space
What is the difference between an inference and an observation
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What is the difference between an observation and an inference?
Which state of matter have no definite shape or volume
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Which state(s) of matter have no definite shape or volume??
Ratio of electrostatic force to gravitational force between two electrons
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The ratio of electrostatic force between two electrons to gravitation
force between them is of the orderA) 10C) 10^3B)1D) 10^42
What happens to gas particles when a gas is compressed
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What happens to the molecules when a gas is compressed?
A. They maintain their temperature.
B. There is a drop in temperature.
C. There is a rise in temperature.
an …
What happens when a star exhausts its core hydrogen supply
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What happens when a star exhausts its core hydrogen supply?
How many miles does the earth travel around the sun
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The earth travels at 68,000 miles/hour as it moved around the sun. How many miles does the earth travel in one trip around the sun
No work is done by gravity on a bowling ball
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No work is done by gravity on a bowling ball that rolls along a bowling alley because
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