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

Q: What strategies exist to reduce future warming?

A: The human activities are reason for the increase in the greenhouse gases in the atmosphere. Differen...

Q: Compare the biological productivity of polar, middle latitude, and tropical oceans. Consider all fac...

A: The amount of energy or the organic matter fixed by all living biota types in a given period is know...

Q: -      Does (and if so, how much) the international community have a responsibility to help Africans...

A: Africa is one of the poorest and most deprived continents in health, social, economic, and human dev...

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: Define plastic flow for rock.

A: Plasticity is the ability of some solids to flow or change their shape prenatally when they forced t...

Q: 2 The main contributions, potentials, characteristics and problems of Ethiopian agriculture.

A: Ethiopia is one of the atypical sub-Saharan countries known for its agricultural livelihood and uniq...

Q: Choose the correct answer. 1. Which of the following plants thrive in a cool and moist habitat? A. C...

A: Cool and moist habitat:  In cool and moist habitats, the growth of plants and trees is very quick an...

Q: Discuss any one importance of soil texture in agricultural production

A: Soil is a crucial source for the assembly and growth of crops and plant. These are mixture of organi...

Q: plss answer 2. or 5. plss Objective: Describe the three types of fault and relate the types of stres...

A: FAULT: A fault may be a fracture or zone of fractures between two blocks of rock. Faults allow the b...

Q: What is a sinkhole and how does one form?

A: A sinkhole consists of depression into the ground that is caused by the falling of the surface layer...

Q: Why is it common to use two different concepts—nation and state—to describe political entities?

A: A nation-state is an ideal in which the political and cultural boundaries match up with each other. ...

Q: What other international agreements have been established to reduce human emissions since the Kyoto ...

A: The Kyoto Protocol is an international agreement that is based on industrialized nations to reduce c...

Q: Name the polar and tropical air masses that affect U.S. weather. Describe the pattern of movement ac...

A: The United State of America is the third-largest country in the world lie between the Tropic of canc...

Q: Describe differences between sea ice, icebergs, and shelf ice, including how each is formed.

A: SEA ICE- Sea ice is formed in the water, it is frozen seawater. Ice is dense than water so it floats...

Q: Describe how the half-life of radioactive materials can be used to determine the age of a rock throu...

A: The age of the rock can be determined with the help of radiometric dating by determining the half-li...

Q: When did the supercontinent of Pangaea exist? What was the ocean that surrounded the supercontinent ...

A: Alfred Wegner is a German meteorologist and geophysicist. He suggested that each one the continents ...

Q: How do weathering, mass wasting, and erosion work together to change the landscape?

A:         Weathering is the physical disintegration of the rocks at Earth's surface. This overtime pro...

Q: define subtropical desert

A: The subtropical deserts, that extends from 15° to 30° northern and southern latitudes, are based on ...

Q: Which one of the following pairs is correctly matched?(2013) Geographical Feature Region (a) Abyssin...

A: ATLAS MOUNTAINS: The Atlas Mountains extends up to 2,500km across north-western Africa, crossing Alg...

Q: Why can’t descending air form clouds?

A: Descending or Downward motion warms up the air and then the hot air vaporizes water. The water vapor...

Q: What are the positive and negative implications of the Philippine geography? Explain your answer.

A: Positive Implications  In the West Pacific Ocean, the Philippine Archipelago is split into three se...

Q: What are non-native species? Why can they be so damaging to ecosystems?

A: The non-native species that occupy the land are called invasive species they may naturally or delibe...

Q: Describe and explain the temperature and moisture characteristics of a maritime polar (mp) air mass

A: When the air gets the temperature and characteristics of the region which is associated with the hum...

Q: Pangea was no the first nor will it be the last, super continent. In the process of continental drif...

A: The earliest understanding of plate movement came through continental drift theory. The theory hypot...

Q: Question : Which one of the following factors is responsible for almost all the weather changes on t...

A: For millions of years, climate change on global basis has usually happened quite slowly. Analysis re...

Q: Discuss techniques used to clean oil spills. Why is it important to begin the cleanup immediately?

A: An oil spills is a type of pollution generally occurs in marine, it releases of a liquid petroleum h...

Q: Why does soil tend to be deepest on flat land?

A: Soil: The word soil has been derived from Latin word 'Solum' which means "floor". Soil is the thin s...

Q: 2

A: NORMAL FAULT: Normal faults are formed due to the displacement of both the rock blocks in opposite d...

Q: Compare the causes and effects of tectonic versus eustatic changes in sea level.

A: Sea level changes or the change in volume of seawater is both temporally and spatially widespread ph...