The road trip you and your friend are planning is 1430km on way. What is the cost of the gasoline in US dollars for the round trip if fuel price is 1.403 euros per liter? 0.91 euro=1.00 dollar

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.