Erupting about 15,000 years ago from three overlapping scoria cones, it formed a huge scoria mound with a central crater from the last eruption. SIGNIFICANCE Volcanoes are a conspicuous feature of the Auckland city landscape. In some cases their form is emphasized by their preservation as reserves...
It’s believed that about fifty of these tribes have never had contact with the outside world! 6. The Amazon has an incredibly rich ecosystem – there are around 40,000 plant species, 1,300 bird species, 3,000 types of fish, 430 mammals and a whopping 2.5 million ...
This meteor created a huge cloud of dust into the sky. It is believed the dust blocked out the sunlight for many years, the climate changed, it became very cold and many plants and animals died. Some believe that at the end of the Mesozoic era, there were volcanoes erupting, spurting ou...
There are altogether about 50 volcanoes, of which more than 10 are known to be active. Mount Pinatubo on Luzon, once regarded as extinct, was in 1991 the site of one of the world’s largest volcanic eruptions of the 20th century. All gradations of volcanoes can be seen, from the ...