Question

:-

1. ʀᴀᴅɪᴜs ᴏғ ᴛʜᴇ ᴇᴀʀᴛʜ ɪs _______.
2. ______ᴅɪsᴄᴏɴᴛɪɴᴜɪᴛʏ ʟɪᴇs ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴄʀᴜsᴛ ᴀɴᴅ ᴛʜᴇ ᴍᴀɴᴛʟᴇ.
3. ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟs ᴏғ ᴛʜᴇ ɪɴɴᴇʀ ᴄᴇɴᴛʀᴏsᴘᴇʜᴇʀᴇ ɪs ɪɴ ______ sᴛᴀᴛᴇ.
4. ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴏғ ᴛʜᴇ ᴍᴀɴᴛʟᴇ ɪs ᴀʙᴏᴜᴛ_______ .
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Answer 1

Explanation:

6,371 km

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According to data taken by 183 high-school classes participating in a World Year of Physics project, "Measure the Earth with Shadows", the radius of Earth is 6563 km, compared to the accepted value for the mean radius of 6371 km. Of course, no one is claiming the size of Earth has actually changed.

Answer 2

ʀᴀᴅɪᴜs ᴏғ ᴛʜᴇ ᴇᴀʀᴛʜ ɪs 6,371