Carbonate sedimentary rocks that contain the solid fragments of the tests, shells or bones of organisms are called:
a) hyaloclastic
b) calciclastic
c) bioclastic
d) siliciclastic
e) pyroclastic
Answer: c) bioclastic
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The components of ocean water whose quantities are less than 1 part per million (ppm) are considered ____
A) excess volatiles B) minor constituents C) major constituents D) trace elements
Which of the following is NOT a strategy for increasing food supply?
A) expanding arable land area B) ensuring sustainable land productivity for future generations C) identifying new food sources D) increasing tariffs on grain exports E) increasing exports of surplus production
Design a house with the goal to limit its heating and cooling costs
What will be an ideal response?
The present-day tilt of Earth's axis of rotation is 23.5ยบ. What would be the result of less tilt, as shown here?
A. more hours of sunlight on the equator, resulting in warmer global temperatures B. high latitudes would receive less direct sunlight during the summer, causing cooler temperatures C. a decrease in glaciers D. All of these choices are correct.