The evolution of the notochord in chordates permitted a more complex embryonic development
a. True
b. False
True
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What are the boundaries of Latin America according to the authors of your textbook?
A) Panama in the north to Argentina in the south B) Tijuana in the north to the La Plata River in the south C) the Amazon River in the north to Puntas Arenas in the south D) San Salvador in the north to Montevideo in the south E) the Rio Grande in the north to Tierra del Fuego in the south
This map shows contours of the water table and the location of a factory that contaminated the groundwater. Which way will the contamination flow?
A) Northwest, up the contours
B) Southwest, parallel to the contours
C) Southeast, down the contours
D) No direction because the movement of contamination is independent of groundwater
The larger the scale of a map, the smaller an area is covered and generally with greater detail.
Answer the following statement true (T) or false (F)
Agricultural soil erosion affects the amount, but not the fertility, of the soil
Indicate whether the statement is true or false