1.Which of the following things can we learn from paleoclimate records?a. How much climate varies due to natural factors and so whether recent changes might be due tohuman activitiesb. The sensitivity of climate (i.e. how much temperature/precipitation changes) due to variations infactors such as greenhouse gas concentrations solar luminosity aerosolsc. How well our complex computer models of the climate system can replicate known climatechanges. This helps us assess whether we can trust the model estimates for future climate changes.d. All of the above2. Which of the following types of weather would not develop where there is strong wind shear?a. tornadoesb. thunderstormsc. hurricanesd. downdrafts3. One suggestion for reducing the heat island effect (and also reducing pollution) is to create ‘greenroofs’ on top of buildings in cities by planting grass or other vegetation. How would this reduce theheat island effect?a. by increasing the ratio of sensible heat flux to latent heat fluxb. by increasing albedoc. by increasing the ratio of latent heat flux to sensible heat flux4. Which of the following atmospheric factors would improve air quality in LA?a. a period of rainb. gentle windsc. an area of intense high pressure over LA creating an inversion Below is a beautiful satellite image of Cyclone Yasi from 2011 approaching thecoastline of Australia (moving from right to left in the image below). On which sideof the cyclone (hurricane) would coastlines experience the largest storm surge?northern side of the cyclonesouthern side of the cycloneeastern side of the cyclonewestern side of the cyclone
