Option D is the correct answer. Demographics of a population are different aspects of their characteristics, such as age.
TRUE i just took the test and it was correct
This statement is true.
The northeast and the Great Lakes regions have a natural habitat suitable for dairy farming. The climate, the precipitation, the grasslands, the water, all make a nice environment for dairy farming. But dairy farming is also making a problem because it causes eutrophication of the water and rise in algae population, thus reducing the oxygen in the water and killing of the fish, so a measures have to be taken so that process stops.
Surface of the Earth: Most of the Earth's surface (70%) is covered with water, and the remaining 30% is taken up by the seven continental landmasses. However, underneath the water that fills the oceans, and the dirt and plants that cover the continents, the Earth's surface layer is made of rock.
