Answer:
the center of the earth is called the core
Answer: gold, ivory, and iron
Explanation:
Answer:
1, 3 and 5 are true.
Explanation:
A smaller planet doesn't have the gravity to hold and atmosphere (with oxygen) or water. A larger earth would hold a thicker atmosphere, which would contain more ammonia and methane.
Explanation:
Of all the continents, Europe and Asia are the most densely populated. Asia alone contains more than 60 percent of the world's people. Which continents are most densely populated? Today, most people in Europe, North America, South America, and Australia live in or around urban areas.
Answer:
With the new inventions of fossil fuel, air pollution has soared to new heights. Factories and power plants are also a huge part of it along with the oil industry that is wrecking the oceans.
Explanation: