The answer is comet. the paragraph explains comet best
Answer:
Around the world the most significant restriction on access to potable water is money. While access to raw water sources, clean or otherwise, is important, the purification process itself is expensive. Once water has been rendered potable, it is important that it be delivered without reintroducing contamination.
Answer:
a. 9:00 pm to midnight.
That is the point in Mars' orbit when it comes closest to Earth, this time at about 38.6 million miles (62.07 million kilometers) from our planet. Mars was visible for much of the night in the southern sky and at its highest point at about midnight.
Answer:
B. China has a large population , so its GDP per person is only modest
Explanation:
Despite being one of the countries with highest GDP's in the world, and experiencing enormous economic development in the past few decades, China's population is still not having the same level of financial power as the other countries with high GDP's. The main reason for this is that China has enormous population, being the most populated country in the world with over 1.3 billion people. Because of the enormous population, when the money are redistributed to everyone, it turns out that China is still at a level of a developing country. Not to make mistake, China's population has much higher standard of living than what it had few decades ago, so the people live much better, but the country still has a long way to go to reach the GDP's per capita that the other countries have.
