Answer: d. all of the above
Woodlands and forests are essential sources of food and shelter of both human and animals. With wildfire and forest destruction, such sources and even the very existence of varying species are significantly affected and devastated.
Answer: El Salvador
Explanation: El Salvador has a population density of 303 people per square kilometer (785 per square mile).
Answer:
There is overwhelming evidence that human activities, especially burning fossil fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean.