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- The picture shows lines of latitude on Earth. NORTH POLE 90° 1806 ASIA 70° 60° NORTH AMERICA CEUROPE 50 40 ATLANTIC OCEAN AFRICA 30 20° 10° EQUATOR -10° SOUTH AMERICA -20° -30° 40°Which one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. Earthquakes26. Which of the following alternative energy sources (not using fossil fuels) does not depend on the energy from sunlight (either directly or indirectly)? A. photovoltaic power from solar cells B. wind power C. hydroelectric power from dams D. tidal power
- 29. In some parts of the world, forests are being cut down and burned to clear land for new homes and new farmland. A negative effect of these activities might be A. an increase in edge effect B. a decrease in the average temperature of the atmosphere C. an increase in biodiversity of the deforested areas 30. Which action by humans could improve the quality of the air? A. building homes that use only oil (fossil fuel) furnaces for heat B. buying cars that get more miles per gallon of gasoline C. increasing the number of coal-burning power plants that generate electricity D. cutting down forests to clear land for factories 31. Which action shows an increased understanding and concern by humans for nature? A. importing organisms that could become invasive to try stabilizing existing ecosystems B. getting rid of pollution control laws for industries that promote technology C. removing natural resources at a rate equal to the needs humans D. putting laws in place that regulate the number…Which one of the following is a Greenhouse gas? A. Oxygen B. Methane C. Sulphur dioxide D. NitrogenWhich of the following natural forces is responsible for the release of carbon dioxide and other atmospheric gases? a. the Milankovitch cycles b. volcanoes c. solar intensity d. burning of fossil fuels
- There is a manufacturing plant that emits 10 tonnes of carbon annually. If this manufacturer were to reduce their annual carbon emissions by 1 tonne it would cost (marginal cost) them $5 dollars, by 2 tonnes it would cost them $10, by 3 tonnes it would cost them $15 and 4 tonnes would cost them $20. If there is a carbon tax of $10 per tonne of carbon, how much would the manufacturer likely reduce their carbon emissions by? a. 1 tonne b. 2 tonnes c. 3 tonnes d. 4 tonnes14. Which is the best example of a point source pollution? A runoff from fields B. pesticides sprayed into the air C. chemicals leaking from an industrial waste site D. global warmingWhat is the climate for modern society and how does climate change impact the environment, if at all? (crops increase in temperature)
- Over the course of a year, what percent of all the stars on the celestial sphere would an observer at the South Pole be able to see? A. 25% B. The percent varies from year to year. O C. The percent varies depending on the observer's longitude. D. 50% O E. 100%Abiotic factors are important to biotic organisms because they include A.Weather and rocks B. Resources and conditions C. Single-celled organisms D. Plants and bacteriaWhichof the following gases contribute to warming of the Earth’s surface through thegreenhouse effect?a.Carbon dioxideb.Methanec.Water vapord.Nitrous oxidee.All of the choices apply