How can one divide the period of the last ice-age?
A. long warm episodes; short cold periods
B. short warm episodes; long cold periods
Answer: B
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The kind of plastic with the highest recycling rate is
A. Polystyrene (PS) B. High-density polyethylene (HDPE) C. Polyethylene terephthalate (PET) D. Polypropylene (PP)
The Fata Morgana is an example of a(n) ____________________ mirage
Fill in the blank(s) with correct word
Condensation nuclei, tiny particles of matter in the air, are important because ________
A) they increase the density of air and thus its buoyancy B) they provide a surface for water molecules to form on C) they provide point sources of heat in the air D) they will affect the environmental lapse rate
The shoreline and the coastline are defined as the same thing
Indicate whether the statement is true or false