Соотнесите перечисленные организмы по водным природным сообществами. 1)глубоководные рыбы
2)коралловый полип
3)морской еж
4)лучевики
5)морские водомерки

__сообщество поверхности воды
__ сообщество толщи воды
__ глубоководное сообщество
__ тонно это общество
__ сообщество кораллового рифа ​

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Which factors add to the greenhouse effect and are caused by human activities?