Answer :
Since carbon dioxide warms the earth, the activities listed contribute to global warming. The correct answer is B, global warming.
Answer: b. global warming
Explanation:
Burning oil and coal for driving car and heating homes will liberate carbon dioxide and carbon monoxide gases into the atmosphere. These are the greenhouse gases which can trap the heat energy from the incident sunlight. The abundance of these gases in the atmosphere will lead to increase in the global temperature. This will lead to a drastic phenomena of global warming.