Answer:
b. increased temperatures
Explanation:
- The primary reason for the productivity in the Photo zones is due to the influence of major factors like the Nutrients, light, and grazing of animals. The rate at which the plants are eaten by herbivorous.
- Upwelling of cool, water from the bottom and interaction of warm waters from the above that derives nutrient-rich water to the surface. These upwelling can be consciously be caused by the winds and the depth of light penetrates down the layer of the water.
- As the intensity of water decrease with depth and with the concentration of nutrient the photic zone becomes shallower.
Population means the number of people in a geographic area. It can also be used for subgroups of people or animals.
Answer:The first cities were created on the coasts of East Africa.
Explanation:
Answer:
C. Airborne ash and rocks from a volcanic eruption remain suspended in the air for a long time before eventually settling to the ground in a new location far from the volcano.
Explanation:
Tephra deposits take many forms and shape, and their composition doesn't really matter either. The only thing that defines a tephra really is that it was ejected from the mouth of a volcano and fell on the ground where it remained intact (not merged with something else).
So, forms of tephra could be big boulders landing on the volcano's side or ashes that travel around the globe to land on the other side of the planet.
