Answer:
B. Direction
Explanation:
Speed is a scalar quantity and doesn't keep track of direction : Velocity is a vector quantity and is direction aware.
Answer:
Name: Zinc
Symbol: Zn
Atomic Number: 30
Atomic Mass: 65.39 amu
Melting Point: 419.58 °C (692.73 K, 787.24396 °F)
Boiling Point: 907.0 °C (1180.15 K, 1664.6 °F)
Number of Protons/Electrons: 30
Number of Neutrons: 35
Classification: Transition metal
Crystal Structure: Hexagonal
Density at 293 K: 7.133 g/cm3
Color: bluish
('lil long, sorry)
Question 25 Answer: Destructive interference occurs.
<span>Question 26Answer: The waves are closer together (as they move) because the object is moving toward you.</span>
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