Answers to the Questions

1. The name of our planet, Earth, means ground or land.
2. A large amount of sunlight reflected by the water on the planet makes the Earth the brightest planet in the solar system.
3. Most of the Earth's water is located in the oceans.
4. We have an additional winter day every four years because it takes the Earth 365 and a quarter days to move around the Sun. As we don't count an extra quarter of the day at the end of a year, we have an additional day every four years. A year containing 366 days is called a leap year.
5. Yes, Earth Day is an international holiday.
6. On Earth Day, people plant trees, pick up roadside trash, and take part in 'green' projects.
7. The following numbers in the text stand for:
   • 4: Additional day every four years.
   • 22: The 22nd of April, people started to celebrate Earth Day.
   • 20: Number of days Fyodor Konyuhov crossed Pacific Ocean by himself.
   • 192: Number of countries show their love and care for the planet on Earth Day.
   • 365: Number of days it takes the Earth to move round the Sun