Describe two ways that humans have contributed to the deforestation of africa

Computer models can scientists predict weather. some computer models can show the predicted path of hurricanes. what other events could a computer model warn us of? a) undersea earthquakes , tornadoes, and avalanches b) tornadoes c) avalanches d) undersea earthquakes

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

Suggest 3 different reasons why there is an ageing population in the uk .