In the open ocean salinity ranges from 32 to 37%. Indicate whether the statement is true or false
F
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A dome-shaped ice mass of compacted and recrystallized snow that flows under its own weight and covers less than 50,000 km2 of land is called a(n) ____________________
Fill in the blank(s) with correct word
The sustainability of agricultural practices
A) decreases if the soil is degraded by erosion or salination. B) requires that the soil be plowed at least three times annually. C) increases if the field is irrigated in amounts equal to the total annual rainfall. D) requires the presence of soil nematodes.
________ is a device designed to remove airborne pollutants from smokestack emissions
A) A boiler B) A coal washer C) A tall stack D) An air filter E) A scrubber
Transgenic plants are those that have had genes from other organisms incorporated into their cells.
Answer the following statement true (T) or false (F)