Which statement best summarizes the law of conservation of matter?
A. We can rearrange matter but we cannot create or destroy it.
B. Matter that is highly concentrated and readily available is most useful as a human resource.
C. Matter consists of elements and compounds.
D. Matter can undergo a physical change in its chemical composition.
E. Matter should never be wasted.
Answer: A
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Which of the following is a point source of water pollution?
A. offshore oil well B. livestock feedlot C. urban land D. cropland E. logged forest
Sediments on the deep-ocean floor are able to give information on the age and history of the surrounding continents and even the biological productivity of the water itself
Indicate whether the statement is true or false
The state of matter of the material in Earth's inner core is ____________________
Fill in the blank(s) with correct word
Milankovitch theory indicates that:
a. the Holocene interglacial will continue indefinitely. b. glaciers will cover much of North America in a few hundred years. c. the Holocene interglacial will soon end, and Earth will experience major glaciation in about 23,000 years. d. climate will continue to get warmer, and nearly all of the Greenland and Antarctic ice caps will disappear within 3,000 years.