Question

what is the main reason of day and night ​

Answer 1

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• ᴇᴀʀᴛʜ ᴏʀʙɪᴛs ᴛʜᴇ sᴜɴ ᴏɴᴄᴇ ᴇᴠᴇʀʏ 365 ᴅᴀʏs ᴀɴᴅ ʀᴏᴛᴀᴛᴇs ᴀʙᴏᴜᴛ ɪᴛs ᴀxɪs ᴏɴᴄᴇ ᴇᴠᴇʀʏ 24 ʜᴏᴜʀs. ᴅᴀʏ ᴀɴᴅ ɴɪɢʜᴛ ᴀʀᴇ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴇᴀʀᴛʜ ʀᴏᴛᴀᴛɪɴɢ ᴏɴ ɪᴛs ᴀxɪs, ɴᴏᴛ ɪᴛs ᴏʀʙɪᴛɪɴɢ ᴀʀᴏᴜɴᴅ ᴛʜᴇ sᴜɴ. ᴛʜᴇ ᴛᴇʀᴍ 'ᴏɴᴇ ᴅᴀʏ' ɪs ᴅᴇᴛᴇʀᴍɪɴᴇᴅ ʙʏ ᴛʜᴇ ᴛɪᴍᴇ ᴛʜᴇ ᴇᴀʀᴛʜ ᴛᴀᴋᴇs ᴛᴏ ʀᴏᴛᴀᴛᴇ ᴏɴᴄᴇ ᴏɴ ɪᴛs ᴀxɪs ᴀɴᴅ ɪɴᴄʟᴜᴅᴇs ʙᴏᴛʜ ᴅᴀʏ ᴛɪᴍᴇ ᴀɴᴅ ɴɪɢʜᴛ ᴛɪᴍᴇ.

Answer 2

Answer:

Main reason of day and night is Rotation of Earth.