HURRY PLEASE! Based on the data, what is most likely the largest cause of global temperatures rising more in this century than in previous centuries? A. erupting volcanoes O B. burning fossil fuels O c. melting polar ice caps D. increasing sunspot activity

Ais a survey that focuses on only a small portion of the population, and the results are generalized for the larger population.

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)