Homo ergaster may have been the first human species to leave Africa and fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago. Their descendents, Homo erectus, then spread eastward and were established in South East Asia by at least 1.6 million years ago.Oct 30, 2015
Answer:
relating to, consisting of, or denoting fragments of rock erupted by a volcano.
Explanation:
Pyroclastic rocks are clastic rocks composed of rock fragments produced and ejected by explosive volcanic eruptions. The individual rock fragments are known as pyroclasts. Pyroclastic rocks are a type of volcaniclastic deposit, which are deposits made predominantly of volcanic particles.
<span>Mount Rainier is the highest mountain in the Cascade Range of the Pacific Northwest. This mountain was not formed in one great cataclysm but was made through many years of volcanic activity. Several volcanoes have been erupting in the region for at least 40 million years.</span>
as necessidades energéticas totais da UE em termos de consumo interno bruto foram cobertas pelas seguintes fontes: 35% de petróleo, 24% de gás, 17% de combustíveis, sólidos como o carvão, 14% de energia nuclear, 10% de energia renovável, como a energia hídrica ou eólica.
