Yes, it is true that the<span> core of the Earth is believed to be composed of iron and nickel, since the inner core is believed to be made of iron, with the outer core being made of nickel. </span>
Answer: A troop of american soldiers massacred the village of my lai, killing innocent men, women, and children.
Explanation:
It depends what shape it is. A triangle is equal to 180 degrees. That square at the top of the triangle means 90 degrees. 48+90=138 138-180=42. So your answer is D.