A river valley drowned by a sinking of the land or a rise in sea level is called a(n) _____
a. atoll
b. ria
c. lagoon
d. fringing reef
e. groin
b
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What is the major difference between an intermittent stream that is dry part of the year and a stream that flows year-long, even when it has not rained or snowed for several weeks?
What will be an ideal response?
Which of the following is true?
A) B cells are lymphocytes, but T cells are not B) T cells are lymphocytes, but B cells are not. C) Both B cells and T cells are lymphocytes. D) Neither B cells nor T cells are lymphocytes.
Which of the following is true about how weathering affects fractured rocks?
A) Weathering affects rocks from the outside in, forming an outer weathered zone or rind. B) Weathering attacks corners from three sides and so these are preferentially removed. C) Preferential weathering along fractures can cause blocks to become rounded. D) All of these are correct.
Switzerland has four official languages: German, French, Italian and Romansh
Indicate whether the statement is true or false.