Answer:
Let coefficient of linear and area expansion be α a n d β respectively. where ∆ T is change in temperature. For simplicity let us consider the case of square of side L. Therefore, coefficient of area expansion is twice the linear expansion.
Answer:
I belive it is B. it is about 1/2 the size of the US.
Explanation:
Basic services such as electricity and energy, water and sanitation, refuse and waste removal are critical services to improve the lives of people. In South Africa government has committed to providing a basic amount of free water and electricity to poor people. Sanitation and waste removal will also be provided where it is possible
