Gas bladders help seaweeds:
a. hold tight to the seafloor

b. keep their upper portions near the surface.
c. photosynthesize nutrients.
d. reproduce.


b

Environmental & Atmospheric Sciences

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Global warming would likely have a bigger impact on the tropics than on the polar regions

Indicate whether the statement is true or false

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Which of the following is an excitatory neurotransmitter?

A) b-alanine B) cysteine C) taurine D) none of these

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A plot of mean monthly temperatures and precipitation summarizing the climate at any point on Earth is called a(n) ____

a. hydrologic cycle b. moisture index c. isohyet d. water budget e. climograph

Environmental & Atmospheric Sciences

Earth's axial tilt varies from 21.5° to 24.5° during a 41,000 year period

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences