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Nella Greenfelder

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Cards in this guide (9)
What causes water to be a polar molecule

Unequal sharing of electrons.

What do error bars show within treatments

Error bars show variations within treatments.

What term is defined as anything that has mass and takes up space

Matter Matter is the term that defines as anything that has mass and takes up space.

Matter

What is the only thing that should differ between experimental treatments

independent variable

Approximately how long do scientists think chemical evolution took

about a billion years.

What serves as a standard of comparison to evaluate the effect of the independent variable on the dependent variable

There cannot be one since the answer depends on the form in which the effect is measured: whether the effect is qualitative or quantitative.

There are various non-parametric measures of correlation or concordance. For data that are more quantitative there are more powerful tests such as the F-test for independent Normal distributions.

Suppose you have experimented to test the effects of temperature on seed germination as outlined in the study guide If you do not reject your null hypothesis what conclusion can be reached

temperature does not affect seed germination rate

Which of these can be found in all cells

Protein building structures called ribosomes can be found in all cells.

These muscles can move food in your stomach

these muscles can move in your stomach in not a referable question pleese comment

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