What is the primary source of carbon that humans have added to the atmosphere?

Q: Distinguish between an exotic stream and an ephemeral stream in a desert.

A: Desert Stream-  Desert stream only flow during rare but intense rainstorms and when they flow, only ...

Q: Using the paleogeographic reconstructions shown in Figure 2.31, determine when the following events ...

A: The theory of Paleogeography explains well the reasons behind the movement of continents and the con...

Q: Which of the following physiographic features is found in Subsaharan Africa's Rift Valley? A/ Great ...

A: Sub-Saharan Africa covers the South Saharan African nations. In the broadest part of the continent t...

Q: Along the eastern equatorial Pacific, fresh water enters the surface ocean through precipitation. Th...

A: The pacific water shows great diversity in terms of temperature and salinity due to its vast geograp...

Q: On a base map of the world, plot and label the major currents involved in the surface circulation gy...

A: The following figure shows the world map in which major currents involved in the surface circulation...

Q: Through which processes do streams deepen, widen, and lengthen their valleys?

A: Over time the landscapes on the earth's surface have formed with streamflow and erosion and depositi...

Q: Explain why hydrozoans and scyphozoans (jellies) are classified as macroscopic forms of zooplankton....

A: Zooplankton:                        The word zooplankton is derived from Greek where zoon meaning an...

Q: How immigration can be seen in action in the world and why it still matters

A: Immigration is a demographic process, where a set of the population from their native region enter i...

Q: Describe how the immigrant flow is chosen from the population of the country of origin. Why are some...

A: Immigration refers to the movement of people from one place to another either temporarily or permane...

Q: Describe Gandhi’s methods for fighting for independence. Would these methods have worked as well in ...

A: Mohandas Karamchand Gandhi:                    M K Gandhi was born on October 2, 1869 in Porbandar, ...

Q: Discuss why some rivers have deltas and others do not. What are the factors that determine whether a...

A: The rivers carry the sediment to the ocean and deposit at their mouths. These deposits of the sedime...

Q: What factor determines the size of rock a stream is able to transport?

A: The water flowing through a stream is the leading architect of many of the Earth's landscapes. The e...

Q: Which river is the key water source for Israel and Jordan?

A: Israel and Jordan are two neighboring countries of Western parts of the Asian Continent. The two cou...

Q: What are the standard time and date at (40 N, 110 W) when the standard time at (30 N, 102 E) is 1 AM...

A:   Time and longitude- Longitudes are geographic coordinates to describe the East-West position of a ...

Q: What is density stratification, and how did it change proto-Earth?

A: Earth's present form is a layered structure, where there are multiple layers with different and char...

Q: Worldwide, where are the best locations for new wave farms? Explain the oceanographic conditions tha...

A: The best places around the worldwide to develop the power plants and wave farms are mainly western c...

Q: How would dumping sewage in deeper water off the East Coast help reduce negative impacts on the ocea...

A: Sewage is a kind of waste materials or pollutant having various sources, such as industries, househo...

Q: How did the invasive species Caulerpa taxifolia and zebra mussels get released into new environments...

A: An invasive species constitutes an organism that does not belong to an indigenous or native area. Th...

Q: Why do some experts believe that the ocean can be a repository for many of society’s wastes? If we d...

A: