Answer:
1.B 2.A,C,D
Explanation:
A mineral is a naturally occurring, inorganic compound with a unique chemical structure and physical properties. A rock is a solid, stony mass composed of a combination of minerals or other organic compounds. For example, quartz and feldspars are minerals, but when formed together, they make a rock, granite.
Answer:
they spread throughout africa
Explanation:
Before Homo sapiens, Homo erectus had already spread throughout Africa and non-Arctic Eurasia by about one million years ago (see Out of Africa I). The oldest known evidence for anatomically modern humans (as of 2017) are fossils found at Jebel Irhoud, Morocco, dated about 300,000 years old.
Answer:
Option: C. Columbia
Explanation:
The Columbia River provides more than one-third of all the hydroelectric power in the United States. Hydroelectric power plants located on the river with generating capacity and contributed approx 44% of the total hydroelectric power in the nation. The steep slopes of the Columbia River and its streams make it ideal for the production of hydroelectric power.
Answer:
Eles são pobres e não têm recursos para construir indústrias.
Explicação:
As colônias de exploração tornam-se países com economias do setor primário porque esses países são pobres e não têm os recursos. Nestas regiões recém-exploradas, todos os recursos naturais presentes são de uso gratuito. Os povos dessas colônias fazem agricultura nas terras férteis, mineração, silvicultura e pesca, a fim de atender às suas necessidades. Esses países extraem as matérias-primas de fontes naturais, que foram feitas pelos trabalhos.
Explanation:
Well maybe because like cows do, some adventure off by themselves, and with younger cows they may forget where to head back. And if you think about it that leads to older cows which leads to new cow groups in different areas. Just like dinosaurs may have done.. Just a maybe
