The Earth's geosphere is made up of iron, oxygen, magnesium, and silicon. All of these elements are chalcogens, or chemical elements.
Answer:
a in trigonometry in the right angle triangle the Sine of an angle is the length of the opposite side divided by the length of the hypotenuse( a 48,55) c(48,55)
A. Can help leaders decide how to plan for the future
Almost all the people in Greece are Eastern Orthodox.
Actually, the increase in life expectancy in Botswana happened in the past (between 2000 and 2010 - in any case, the major reason was the decrease in infant mortality).
In the last years, since 2010 it has fallen again, mostly due to an increase in the occurence of AIDS and violent deaths such as road accidents.
