A heliocentric system is a sun-centered
Answer:
An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.
a). Water is still H₂O after it freezes.
b). Ice is still H₂O after it melts.
c). Wire is still Cu when it's bent.
d). Paper combines with the O₂ in the air, and turns into
a lot of new compounds when it burns.
The speed of car is 100.8km/h









v car= 28×3.6
=100.8km/h
Hence, the speed of the car is 100.8km/h
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