Four metals were kept in contact with each other. The table below shows the initial temperature of the metals. Metal Initial Temperature
A
30 °C
B
42 °C
С
25 °C
D
16 °C
From which metal will heat flow into all the other metals?
O Metal A
O Metal B
O Metal
Metal D

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.