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An oyster reef can increase the surface area of a flat bottom 50-fold. An oyster's mature shape often depends on the type of bottom to which it is originally attached, but it always orients itself with its outer, flared shell tilted upward. One valve is cupped and the other is flat. Oysters usually reach maturity in one year.
[6] In this section, oyster is used to mean "members of Ostreoidea". Oysters of this group generally attach to a substrate by cementing their left valve to it. The two valves are unequal: the attached left valve is larger and more cupped than the right 'lid' (to a greater or lesser extent, depending on the species).
Following the increasing of Internet usage in Vietnam, many online encyclopedias were published. The two largest online Vietnamese-language encyclopedias are Từ điển bách khoa toàn thư Việt Nam, a state encyclopedia, and Vietnamese Wikipedia, a project of the Wikimedia Foundation.
About Wikipedia; Contact us; Contribute Help; Learn to edit; ... and capital of Hóc Môn District, Ho Chi Minh City, Vietnam. [1] Notable people. Phan Văn ...
Between 1698 and 1731, some people from the northern and central regions of Vietnam moved to Hóc Môn to escape the constant warfare between the Nguyễn and the Trịnh. At that time, this area was still undeveloped land, with wild animals including tigers roaming free.
Hanoi University of Mining and Geology (Vietnamese: Trường Đại học Mỏ - Địa chất Hà Nội) is a university in the Bắc Từ Liêm district of Hanoi, the capital of Vietnam. It trains technical experts in exploration and exploitation of natural resources; in protection of mining and the geological environment; and to be a center ...
The Ministry of Science and Technology (MOST, Vietnamese: Bộ Khoa học và Công nghệ) is a government ministry in Vietnam responsible for state administration of science and technology activities; development of science and technology potentials; intellectual property; standards, metrology and quality control; atomic energy, radiation and nuclear safety.
Nong Lam University (Vietnamese: Trường Đại học Nông Lâm Thành Phố Hồ Chí Minh) is a comprehensive university in Thủ Đức, Ho Chi Minh City, Vietnam. ...