The sun because it provides us energy
The Sahel is located in Africa. It is the region in Africa that transitions from the Sahara to the Sudanian Savanna. It stretches across in the region from the West of Africa to the East and includes parts of Senegal, Mauritania, Mali, Burkina Faso, Algeria, Niger, Nigeria, Chad, Sudan, South Sudan, Eritrea, CAR, Cameroon, and Ethiopia.
Answer:
2.62 years
Explanation:
The half life of a material is the time taken for half of the number of radioactive atoms in a radioactive material to remain.
If a radioactive material is cut into pieces, each piece has the same half life as the whole material.
Hence, if Strontium-147 is cut into pieces, each piece will have a half life of 2.62 years, just as the whole material.
Answer:
Explanation:
following the end of the civil in 1949, Costa Rica abolished its army and redirected its budget to-ward healthcare and education. Ever since and up to this day, Costa Rica has achieved some of thehighest living standards and development indicators in Latin America. Furthermore, unlike mostother countries in the region, Costa Rica has not had dictatorships or armed conflicts since the abolishment of its army. In addition, soon after the abolishment of its army, the country started experiencing a notable economic growth divergence relative to the rest of the countries in the region. Thus, these institutional changes along with long-standing democratic history have been considered to be factors of paramount importance that have led to these developmental achieve-ments and democratic stability in the country up to this day.
Both Mexico and The united states are federal republics and and are divided into states also, the head of state is known as "President" and also has the same legislation.
Answer:
The southern hemisphere is in spring during fall in the northern hemisphere.
Explanation: