Which everyday phenomenon demonstrates the principle of capillary action in plants?

Which property of water allows insects like water striders to walk on its surface?

Which gas commonly used in refrigerators and air conditioners was historically linked to ozone layer depletion?

Which gas is responsible for the characteristic smell often associated with rain after a dry spell?

Which renewable energy source harnesses sunlight directly to generate electricity?

Which everyday chemical reaction is responsible for rusting of iron objects?

Which renewable energy source uses moving air currents to generate electricity through turbines?

Which scale is used to estimate wind speed based on observed sea or land conditions without instruments?

Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?

Which scale is commonly used to measure the intensity of hurricanes and tropical cyclones?

Which natural process explains how mountains gradually wear down over long periods of time?