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Which statement describes the appearance of a
temperature-vs.-time graph?
OA horizontal line shows that the temperature
increases at a constant rate over time.
OA vertical line shows that the temperature
decreases at a constant rate over time.
O Horizontal lines where the temperature is
constant during phase changes connect
upward-sloping lines where the temperature
increases.
O
$
Horizontal lines where the temperature
increases are connected by upward-sloping
lines where the temperature is constant for
each phase.


Sagot :