Decreasing numbers of available food plants is the primary reason moose in northern climates are dying off in record numbers
a. True
b. False
ANSWER: False
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Low-input ____________________ produces higher yields than does high-input ____________________
Fill in the blanks with correct word
Which of the following statements correctly reflect the content of the 2007 IPCC report by climate scientists on climate change?
a. 2000-2009 was the warmest decade since the 1880's. b. Average levels of CO2 rose sharply between 1960 and 2010. c. During the last century, the world's average sea level rose 7 inches. d. Glaciers and floating sea ice are melting at increasing rates. e. All of these answers are correct.
A mineral is labeled in the lab: .5 kg/m3. What could this value represent?
A) specific gravity. B) hardness. C) luster. D) density.
Biomes with less than 10 cm (4 inches) of rain a year are ________
A) likely to have extremely cold winters B) high in primary productivity C) dominated by coniferous trees D) generally classified as deserts