<span><span>Porosity is the amount of empty space in a rock or other earth material (like sand) - in other words, it's how much water a material can hold.
Permeability refers to how well water flows through a material - the flow is controlled by how large the pores are and how well connected the pores are in a given object.</span><span>Therefore, there these are two primary factors that limit the movement and the amount of water (or other fluids) retained in rocks/sedimentary materials.</span></span>
Brazil is home to the largest population of Asian Latin Americans, at some 3.5 million. The highest ratio of any country in the region is 5%, in Peru.
<u>Answer:</u>
European countries unified together in the name of European Union and their important goals are promotion of peace, reduce the discrimination, enhance economic freedom and so on.
<u>Explanation:</u>
Important goals of European Union are promotion of peace between the countries, provide freedom among countries without the internal borders, increase the economic freedom. Later European Union released the unified monetary for the member countries in the name of “Euro”. United Kingdom conduct the plebiscite in their own country for exit from European Union. This decision of Britain affects the stability of European Union countries, both Britain peoples and people from other member countries are majorly affected because of Brexit.
B shadows
The position of the sun in the sky casts a shadow on a properly placed sundial. This will give you time of day depending where the shadow falls.
I think that you can say D.
Hope that this helps you =)
