No one is 100% sure when particles of matter originated however scientist believe it had to be some time before the Big Bang
Answer:
$200.0 is the cost for installing a carpet for a room that measures 12.0 feet by 15.0 feet.
Explanation:
Length of the room = l = 15.0 ft = 
Width of the room = w = 12.0 ft = 
(1 yard = 3 feet)
Area of the room = l × w = 
Cost for installing a carpet for a room = $10 per square yard
Cost for installing a carpet for a room wit area 20.0 square yard :

$200.0 is the cost for installing a carpet for a room that measures 12.0 feet by 15.0 feet.
Answer:
C
Explanation:
Neon is a noble gas, which is monoatomic.
Answer: any answer choices
Explanation:
Answer: aging?
Explanation: sorry, i’m not too sure, but that would be my best guess.