Question

50 students study at least one of the subjects geography (G), mathematics (M) and history (H). 18 study only mathematics. 19 study two or three of these subjects. 23 study geography. The Venn diagram below is to be used to show this information.Show that x = 4.

Answer 1

Answer:

Human activities have contributed to deforestation, desertification, soil degradation, depletion of the ozone layer and climate change. Space-based technologies, such as remotely sensed data, have enhanced scientific understanding of water cycles, air quality, forests and other aspects of the natural environment.