Which situation can be identified by a biodiversity study of an area?

1)a currently undetected invasive species will invade the ecosystem.

2)the decline of a shrub species is caused by an increase in an herbivore population.

3)a flood is likely to hit the area very soon.

4)the ecosystem will expand its geographical range in the next 50 years.

5)an animal species is experiencing altered reproductive function.

Where is the world’s shortest commercial runway?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Which is an accurate description of the physical characteristics of poland? its fertile soil is found only along riverbanks, and its mountainous region in the northwest has few mineral resources. it is mostly flat with fertile soil except in the east and northeast, and the mountainous region in the south has large deposits of coal and copper. it is covered with thick forests, and it has large reserves of coal, petroleum, and natural gas. its landscape is dominated by plateaus, mountains, and high ridges, and it has large deposits of sulfur and copper in the northeast.