What mass of water will change its temperature by 8°C when 285 J of heat is added to it? The specific heat of water is 4.18 J/g °C.

Which situation will lead to the presence of dew most quickly?

◯ A. A rising humidity and a falling temperature.

◯ B. A falling humidity and a falling temperature.

◯ C. A falling humidity and a rising temperature.

◯ D. A rising humidity and a rising temperature.

Grade 9 chemistry:

 Bob takes a break from singing and fills a balloon indoors where the temperature is 21 degrees Celsius (normal room temperature). Then, he puts the balloon in the fridge, where the temperature is 2 degrees Celsius. What will happen to his balloon? Why does this happen? 

Which of the following is not a consequence of climate change?

(a) Greenhouse gases

(b) Rising sea levels

(c) Melting glaciers

(d) Rise in temperature