Question: Over the course of adolescence, the amount of white matter in the brain increases linearly, while the amount of grey matter in the brain follows an inverted-U pattern. Through a process called synaptic pruning, unnecessary neuronal connections in the brain are eliminated and the amount of grey matter is pared down. However, this does not mean that the brain loses functionality; rather, it becomes more efficient due to increased myelination (insulation of axons) and the reduction of unused pathways.
Try to answer this question if possible: Does the amount of white matter in the brain increase or decrease over the course of adolescence?
Answer: increases
Question: After the Civil War began, Governor Zebulon Baird Vance ordered the construction of breastworks around the city as protection from Union troops. During General Sherman's Carolinas Campaign, Raleigh was captured by Union cavalry under the command of General Hugh Judson Kilpatrick on April 13, 1865. As the Confederate cavalry retreated west, the Union soldiers followed, leading to the nearby Battle of Morrisville. The city was spared significant destruction during the War, but due to the economic problems of the post-war period and Reconstruction, with a state economy based on agriculture, it grew little over the next several decades.
Try to answer this question if possible: What did the governor order constructed?
Answer: breastworks
Question: The island of Saint Helena has a total area of 122 km2 (47 sq mi), and is composed largely of rugged terrain of volcanic origin (the last volcanic eruptions occurred about 7 million years ago). Coastal areas are covered in volcanic rock and warmer and drier than the centre. The highest point of the island is Diana's Peak at 818 m (2,684 ft). In 1996 it became the island's first national park. Much of the island is covered by New Zealand flax, a legacy of former industry, but there are some original trees augmented by plantations, including those of the Millennium Forest project which was established in 2002 to replant part of the lost Great Wood and is now managed by the Saint Helena National Trust. When the island was discovered, it was covered with unique indigenous vegetation, including a remarkable cabbage tree species. The island's hinterland must have been a dense tropical forest but the coastal areas were probably also quite green. The modern landscape is very different, with widespread bare rock in the lower areas, although inland it is green, mainly due to introduced vegetation. There are no native land mammals, but cattle, cats, dogs, donkeys, goats, mice, rabbits, rats and sheep have been introduced, and native species have been adversely affected as a result. The dramatic change in landscape must be attributed to these introductions. As a result, the string tree (Acalypha rubrinervis) and the St Helena olive (Nesiota elliptica) are now extinct, and many of the other endemic plants are threatened with extinction.
Try to answer this question if possible: How many square miles is Saint Helena?
Answer: 47
Question: Some hunter-gatherer cultures, such as the indigenous peoples of the Pacific Northwest Coast, lived in particularly rich environments that allowed them to be sedentary or semi-sedentary.
Try to answer this question if possible: What is the life style of the indigenous people of the Pacific Northwest?
Answer:
hunter-gatherer