What is the water table? The water table is a layer between soil that is not saturated with water and soil that is completely saturated with water. The water table is at different depths depending on the makeup of the ground and the topography. It is usually at the bottom of the soil layer, just […]
#1357 What is the water table? Read More »
Why do so many borders in Africa have straight lines? So many countries in Africa have borders with straight lines because there are no landmarks to define the borders in those areas. Along with that, nearly all of the borders were created by the colonial powers. If you look at the borders between countries in
#1354 Why do so many borders in Africa have straight lines? Read More »
What is a Banana Republic? A Banana Republic is a small, poor, politically unstable country with an economy dependent on one export and usually controlled by foreign companies. The existence of US controlled banana republics have created an environment where drug cartels can rise up. Banana Republic is not a positive term. The economy is
#1341 What is a Banana Republic? Read More »
Why are minerals found in certain places on Earth? Different minerals tend to concentrate in certain places on Earth because of geological conditions and the chemical condition in each place. Also, minerals in some places are just easier to get to than others. Minerals are naturally occurring elements or compounds. Some minerals are formed from
#1336 Why are minerals found in certain places on Earth? Read More »
Why are there no bridges over the Amazon River? There are no bridges over the Amazon River because the majority of it goes through thick rainforest where there are no roads and not enough people to need bridges. The Amazon River is either the second longest river in the world or the longest river in
#1335 Why are there no bridges over the Amazon River? Read More »
Why is there a ring of fire? The ring of fire is a ring of volcanic activity and it is caused by the tectonic plates in those areas. The ring of fire is called that because it is an area of intense volcanic activity. The ring is 40,000 km long and it basically goes round
#1332 Why is there a ring of fire? Read More »
What is special about the rock in Turkey? Most of the rock in Turkey is just regular rock, but some of it is soft volcanic rock that is easy to carve and sets harder than concrete. This is not just in Turkey, but a lot of it has been found there. In Turkey, there are
#1324 What is special about the rock in Turkey? Read More »
How many ice ages have there been? There have been five major ice ages through the history of our planet, but there have been several smaller ones as well. What is an ice age? An ice age is a period in time where the global temperature falls to the point where water freezes and ice
#1311 How many ice ages have there been? Read More »
What is a theodolite? A theodolite is a precision instrument used in surveying. Without it, people wouldn’t have known how tall our mountains were. Theodolites are still used for surveying today, but they have changed a lot to the earlier ones used. These days, theodolites are digital. The theodolite became common in surveying in the
#1288 What is a theodolite? Read More »
What is the albedo effect? The albedo effect is how much a surface is able to reflect sunlight. Light colored surfaces reflect more, and dark colored surfaces reflect more. The word “albedo” comes from the Latin word “albus”, which means “whiteness”. It is a way of measuring how much sunlight an object can reflect, and
#1279 What is the albedo effect? Read More »
