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Smog is a type of air pollution traditionally defined as a combination of smoke and fog. When composed of particles that are too small to settle out, smog can be considered
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
A beach, a cloud, and the air we breathe are examples of
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
Which of the following is an example of a suspension
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
A change that affects the physical properties but not the identity of a substance is
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
What is the first step of a scientific investigation?
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
Why do scientists compare fossils with living organisms?
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
What evidence do fossils provide scientists in relation to extinction?
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
Why does it take longer for Jupiter to orbit the sun than for the Earth?
salad dressing
a physical change
to support the idea that organisms have changed over time
Jupiter is farther from the sun than Earth
mixtures occurring in nature
a colloid
plants and animals change in response to environmental changes
asking a question
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