Before becoming glacial ice, compact granular snow melts and refreezes into the substance called ____________________, with a density of about 0.5 grams per cubic centimeter

Fill in the blank(s) with correct word


firn

Environmental & Atmospheric Sciences

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Which of the following is not a characteristic of quartz?

A. commonly occurs in six-sided crystals B. hardness of 7 C. one direction of cleavage D. conchoidal fracture E. made up of SiO2

Environmental & Atmospheric Sciences

What type of migration pattern would it be if you moved from Chicago to Los Angeles?

A. partial displacement B. step C. external D. total displacement

Environmental & Atmospheric Sciences

We calculate BSS = 10 * (540.3 - 543.6)2 + 16 * (602.9 - 543.6)2 + 17 * (489.8 - 543.6)2 = 105578.2 WSS = (10 - 1) * 46.42 + (16 - 1) * 47.42 + (17 - 1) * 48.92 = 91337.4 F = (BSS / (k-1)) / (WSS / (n-k)) = (105578.2 / (3 - 1)) / (91337.4 / (43 - 3)) = 23.1 The critical F value is F.05,2,40 = 3.23. The observed value vastly exceeds this, so we clearly reject the null hypothesis and conclude that the means differ across the groups.

Environmental & Atmospheric Sciences

The width of growth rings in which of the following materials can provide a record of climate?

a. Trees b. Shells c. Corals d. All of the above e. Both and b

Environmental & Atmospheric Sciences