The Density of Water Is 1

question 9

Multiple Choice

The density of water is 1.0 g/cm³. If h = 20 cm, the density of the oil in the left column of the U-tube shown below is:

• A) 0.20 g/cm³
• B) 0.90 g/cm³
• C) 1.0 g/cm³
• D) 1.3 g/cm³
• E) 5.0 g/cm³

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Definitions:

Gleason's Individualistic Model

A concept in ecology suggesting that plant communities are loose assemblages of species coexisting primarily due to similar abiotic requirements rather than biotic interactions.

Community Structure

The organization, composition, and arrangement of species within an ecological community, including their relationships and interactions.

Limiting Resources

Essential resources that are in short supply, thus limiting the growth, abundance, or distribution of an organism or population.

Ecological Significance

The importance of a species, habitat, or ecological process in maintaining ecosystem health, diversity, and function.