June 5, 2009, 12:33pm. Someone else's is correct if you are referring to an item that belongs to someone else. E.g., This is someone else's blog entry.. The correct plural for passer-by is passers-by. This is because the word by is being used as an adjective modifying the noun passer. The noun is the word that is being pluralized.
It is the longest, sunniest day of the year. December 21 marks the day when the Earth is turned the farthest from the Sun. This is known as Winter Solstice. It is the shortest, darkest day of the year. The four seasons are spring, summer, fall and winter.
Earth's axial tilt is responsible for the four seasons that occur during the year. When a hemisphere is tilted towards the sun, that region receives more sunlight and becomes warmer, while the hemisphere that is tilted away receives less solar energy and is cooler. Keep Learning.