Answer:
The composition of Earth's core Solid iron surrounded by molten iron .
Explanation:
Earth's Core -
Earth's core is the hottest and the deepest layer in the Earth . It is composed of two layers , first is , the outer core , which is type of border between the mantle and the core , and second is the inner core .
The inner core is rich in solid , and mainly contains iron , and the outer core is in liquid state , which is rich in nickel and iron metals . the outer core is where the Earth gets its magnetic field .
Non-durable goods are those good used by ordinary people are most affected by scarcity.
Explanation:
Non durable goods are those goods that is limited in nature that is it will last for lesser than three years and non durable goods are needed for survival of human beings. The necessities needed for survival is food and clothing. Two types of non durable goods are customer goods and the capital goods.
In terms of economics scarcity refers to lack of different types of capital. Due to unlimited wants and needs of people scarcity of capital goods can occur. If the consumer always have fascination for new things the resources become limited.
Environmental protection is the third pillar and to many, the primary concern of the future of humanity. It defines how we should study and protect ecosystems, air quality, integrity and sustainability of our resources and focusing on the elements that place stress on the environment
They did this because the goths needed somewhere to stay the Roman Empire offered to help out
Answer:
D. Both have effective and growing mass transit systems.
