The root-shaped jumble at the base of a seaweed is called a(n) ____
A) ?holdfast
B) ?blade
C) ?stamen
D) ?aerenchyma
A
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Figure 3.2 has a few azimuths drawn and labeled as examples. Using your protractor, determine the azimuth readings for A and B, and label the value for each on the diagram. Measure, draw, and label the following azimuths on the diagram: 230°, 78°, 145°.
What will be an ideal response?
Four of the following are ecosystem services of rivers. Select the exception.
A. delivers nutrient to seas to help sustain fisheries B. purifies water C. renews and renourishes wetlands D. removes silt that accumulates in deltas E. provides habitats for wildlife
In the mid-1600s, James Ussher determined that the earth was created in 4004 BC based on ________
A) fossils B) Biblical passages C) rates of deposition and erosion of earth materials D) ancient records from the Egyptians E) none of the above
A substance that forms an inorganic, natural compound with a specific chemical composition is called a
A) molecule. B) tectonic rock. C) granitic compound. D) mineral. E) element.