Which energy is changed by a loudspeaker into sound energy.
A. Chemical
B. Electrical
C. Light
D. Kinetic
According to NASA on which planet purple rocks are found?
A. Jupitar
B. Mars
C. Earth
D. Neptune
How many valence electrons are in chlorine(cl) atom?
A. Chlorine has 1 valence electrons
B. Chlorine has 2 valence electrons
C. Chlorine has 7 valence electrons
D. Chlorine has 6 valence electrons (more…)
A. 122,792,173 Roblox items were collected
B. 552,792,173 Roblox items were collected
C. 511792,173 Roblox items were collected
D. 586,792,173 Roblox items were collected
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