What is filtration??​

ꜰɪʟᴛʀᴀᴛɪᴏɴ ɪꜱ ᴀ ᴘʀᴏᴄᴇꜱꜱ ᴜꜱᴇᴅ ᴛᴏ ꜱᴇᴘᴀʀᴀᴛᴇ ꜱᴏʟɪᴅꜱ ꜰʀᴏᴍ ʟɪQᴜɪᴅꜱ ᴏʀ ɢᴀꜱᴇꜱ ᴜꜱɪɴɢ ᴀ ꜰɪʟᴛᴇʀ ᴍᴇᴅɪᴜᴍ ᴛʜᴀᴛ ᴀʟʟᴏᴡꜱ ᴛʜᴇ ꜰʟᴜɪᴅ ᴛᴏ ᴘᴀꜱꜱ ᴛʜʀᴏᴜɢʜ ʙᴜᴛ ɴᴏᴛ ᴛʜᴇ ꜱᴏʟɪᴅ. ᴛʜᴇ ᴛᴇʀᴍ "ꜰɪʟᴛʀᴀᴛɪᴏɴ" ᴀᴘᴘʟɪᴇꜱ ᴡʜᴇᴛʜᴇʀ ᴛʜᴇ ꜰɪʟᴛᴇʀ ɪꜱ ᴍᴇᴄʜᴀɴɪᴄᴀʟ, ʙɪᴏʟᴏɢɪᴄᴀʟ, ᴏʀ ᴘʜʏꜱɪᴄᴀʟ. ᴛʜᴇ ꜰʟᴜɪᴅ ᴛʜᴀᴛ ᴘᴀꜱꜱᴇꜱ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ꜰɪʟᴛᴇʀ ɪꜱ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ꜰɪʟᴛʀᴀᴛᴇ.

Filtration is the way toward isolating suspended strong matter from a fluid, by making the last pass through the pores of some substance, called a channel (filter).

Explanation:

not to sure sdi, strategic defense initiative

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.