Fine pebbles are 2.0 to 5.0 mm in diameter. sand is 0.05 to 2.0 mm in diameter. which of the following statements is true? a. fine pebbles have a lower terminal fall velocity than sand. b. fine pebbles have a higher threshold velocity than sand. c. fine pebbles are more vulnerable to wind erosion than sand. d. fine pebbles in a river will be deposited after sand.

What is the approximate circumference of the circle shown below? 12.2 cm

Why are shark population in decline worldwide?

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.