If a ray of light strikes a perfect mirror at an angle of 45 degrees, the angle of reflection will be
A) different then the angle of incidence.
B) dependent upon the materials composing the mirror.
C) 90 degrees.
D) 45 degrees.
E) 270 degrees.
D
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What does the following element description actually mean?
U
A. a uranium atom with 238 neutrons and 92 protons B. a uranium atom with 92 neutrons and 146 protons C. a uranium atom with 92 protons and 146 neutrons D. a uranium atom with 92 neutrons and 238 protons E. none of the above
Bacteria, deer, humans, and spiders are all examples of ____________________
Fill in the blanks with correct word
Where is oceanic crust generated?
A) Along divergent plate boundaries B) Where volcanic lava meets the sea C) Where continents collide D) Where magma bodies are emplaced deep in the crust
Water stewardship requires ________
A) water conservation B) maintaining and repairing water systems C) that we stop using surface water and groundwater as waste disposal systems D) full cost pricing in the cost of water to consumers E) all of the above