PLS help its not that hard but I don't understand it. Its science not chemistry but they don't have science. In this activity, you will construct two solar ovens and use thermometers to determine which oven gets the hottest. What engineering problem are you trying to solve?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?