Question

why only earth has life​

Answer 1

Answer:

ɪᴛ ɪs ᴛʜᴇ ʀɪɢʜᴛ ᴅɪsᴛᴀɴᴄᴇ ғʀᴏᴍ ᴛʜᴇ sᴜɴ, ɪᴛ ɪs ᴘʀᴏᴛᴇᴄᴛᴇᴅ ғʀᴏᴍ ʜᴀʀᴍғᴜʟ sᴏʟᴀʀ ʀᴀᴅɪᴀᴛɪᴏɴ ʙʏ ɪᴛs ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ, ɪᴛ ɪs ᴋᴇᴘᴛ ᴡᴀʀᴍ ʙʏ ᴀɴ ɪɴsᴜʟᴀᴛɪɴɢ ᴀᴛᴍᴏsᴘʜᴇʀᴇ, ᴀɴᴅ ɪᴛ ʜᴀs ᴛʜᴇ ʀɪɢʜᴛ ᴄʜᴇᴍɪᴄᴀʟ ɪɴɢʀᴇᴅɪᴇɴᴛs ғᴏʀ ʟɪғᴇ, ɪɴᴄʟᴜᴅɪɴɢ ᴡᴀᴛᴇʀ ᴀɴᴅ ᴄᴀʀʙᴏɴ.

Explanation:

ʜᴏᴘᴇ ɪᴛs ʜᴇʟᴘs

Answer 2

Answer:

because it's habitable zone of its star

Explanation:

it consists of water proper amount of mass, air and water and most importantly it is in habitable zone of sun so life here is possible

but there may be many other planets with life on them because nature has to repeat itself.

hope it helps

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