which of the following is a key characteristic of all planets which of the following is a key characteristic of all planets

they're made up of mostly ice and dust
they orbit the Sun and Shine by reflecting light
there are small rocky objects that burn upon entering Earth's atmosphere
they have a tail that extends as it moves through space

They orbit the Sun and shine by reflecting light.

which of the following best explains why the southern hemisphere experiences different seasons opposite to the northern hemisphere

the tilt of the Earth's axis is reversed in the southern hemisphere
the southern hemisphere is closer to the Sun during its winter
the southern hemisphere receives the less direct sunlight during its summer
the southern hemisphere has a longer revolution around the Sun

The tilt of the Earth's axis is reversed in the southern hemisphere.