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
Environmental & Atmospheric Sciences
Which of the following is an excitatory neurotransmitter?
A) b-alanine B) cysteine C) taurine D) none of these
Environmental & Atmospheric Sciences
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