The three nations in which deforestation is a major environmental issue are Philippines, North Korea and Indonesia. The correct options among all the options that are given in the question are the first, second and fifth options. I hope that the answer comes to your help.
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Astronomers used the cross-staff for measuring the angle between the directions of two stars. ... Ships' officers used it to measure the elevation angle of the noontime Sun above the horizon, which allowed them to estimate their latitude
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Rocks are identified primarily by the minerals they contain and by their texture. Each type of rock has a distinctive set of minerals. A rock may be made of grains of all one mineral type, such as quartzite. Much more commonly, rocks are made of a mixture of different minerals.
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