Answer:
Fe (iron) and Ni (Nickel)
Explanation:
The solid inner core is made of mainly iron crystals with small amounts of nickel and heavier elements such as gold and platinum. The liquid outer core is a nickel iron alloy with small amounts of heavier elements.
B, your country and how to improve!
Answer: as per my opinion....
it depends on your hard work,,,, if you are ready to face every challenge. there are many up and downs in life................so u should learn how to face them........and we should be confident....
It is a synonym for a purely competitive market (perfect competition). On this type of market the supply (of a homogenous good) is big, and the price is determined by the demand of this goods. Therefore, suppliers on this market are known as price takes. So the model shows supply, demand and therefore the price and quantity in equilibrium.