A/an ________ is an animal that has, at least during part of its life cycle, a notochord, a dorsal
hollow nerve cord, and pharyngeal slits. Fill in the blank(s) with the appropriate word(s).
chordate
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As explained in our text, biomass and hydroelectricity are the ideal forms of renewable energy in the world's periphery
Indicate whether this statement is true or false.
Explain why snowflakes differ in appearance depending on the moisture content in the air.
What will be an ideal response?
Determine a representative combination of sand, silt, and clay for the following soil textures.
Using Figure 27-1, the standard soil texture triangle, answer the question. (a) Silty Clay: Sand __________%; Silt __________%; Clay __________% (b) Silty Loam: Sand __________%; Silt __________%; Clay __________% (c) Loam: Sand __________%; Silt __________%; Clay __________%
Sedimentary rocks form
A) deep within Earth's crust. B) at Earth's surface environment. C) at elevated temperatures and low pressures. D) from magma on the surface.