Answer:
Until early 1970's the Turkish Straits were known as a rich and productive marine area. The Straits also used to play an important role as a biological corridor between the Mediterranean and the Black Sea, and acted as an acclimatization zone for the Mediterranean species.
The Tigris and Euphrates rivers provided Mesopotamia with enough fresh water and fertile soil to allow ancient people to develop irrigation and grow supplies surplus.
The role the Tigris and Euphrates river played in the development of civilization is that they enriched the soil and helped farmers grow supplies surpluses.
Explanation:
<span>B. short grasses and mosses
</span>
La respuesta correcta para esta pregunta abierta es la siguiente.
Las características de estos instrumentos son los siguientes.
El mapa, es la representación gráfica pero más sencilla de un lugar. Podríamos decir que es la descripción simplificada de un sitio, que incluye información métrica. El mapa es el documento básico que usamos para localizar un territorio determinado.
Las cartas sirven a la Geografía representando escalas con mayor detalle. Esto las diferencia de los mapas. En las cartas se pueden representar relieves más finos, incluyendo curvaturas.
Los planos son una herramienta muy útil en la cartografía porque son representaciones o descripciones que ayudan a la Geografía a describir extensiones de territorios a pequeñas escala.
En el caso del globo terráqueo, éste básicamente es usado por los profesores en las escuelas como un respaldo académico, cuyo objeto es enseñarle a los estudiantes las características generales de nuestro planeta. Es una manera lúdica y participativa de enseñar las curvatura de la tierra, los nombres de los continentes, los océanos, entre otras cosas.
Answer:
Explanation:
thickness of aerosol layer is 2.5 km
zenith angle is 40 degree
we know that
where
is extinction coefficient
extiction cross section
N = Concentration
transimiitance 
Primary economic activities are defined as extracting raw materials. This includes mining, arable and pastoral farming, forestry and fishing.
Secondary economic activities include manufacturing good using raw materials. An example could be anything made in a factory, such as cars or processed foods, to a house or roads.
Tertiary economic activities provide services and good to people. Teachers, shops and doctors provide tertiary economic activities.
1. Declines in primary sector employment
Machines take away the need for manual labor in the primary economic sector.
As there is often higher paid jobs in the tertiary economic sector people begin to get an education and aim for jobs in the tertiary sector instead.
2. Decreases in infant mortality rate
Education of basic health care helps communities give a child a healthy environment growing up.
More availability of medical resources and professionals help to treat the illnesses that could cause the death of an infant.
3. Improvements in women's social status
Higher education for both women and men encourages gender equality.
Women become less dependent on men with more education and can gain better jobs and equal social status.
