you didn't have any options to choose but I would describe the atmosphere as <span>the envelope of gases surrounding the earth or another planet.</span>
An equinox is an occurrence that happens twice a year and is when the plane of the Earth's equator passes through the center of the Sun. During this, the hours of day and night are almost equal throughout this plane throughout the world.
Sajda jsdhjah sji hadnk shahndkjh s nnioah nslkj ioyh al sojd9ajkls