Question

explain why some fibres are called synthetic ?? ​

Answer 1

Answer:

You can use the steepness, or slope, of a line in a distance-time graph to determine the speed of an object if speed is constant. The slope of the line is calculated by dividing the change in distance by the change in time for that time interval.

Answer 2

sᴏᴍᴇ ғɪʙʀᴇs ᴀʀᴇ ᴄᴀʟʟᴇᴅ ᴀs sʏɴᴛʜᴇᴛɪᴄ ғɪʙᴇʀs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇsᴇ ᴀʀᴇ ᴍᴀɴᴍᴀᴅᴇ ғɪʙᴇʀs ᴘʀᴇᴘᴀʀᴇᴅ ʙʏ ᴜsɪɴɢ ᴄʜᴇᴍɪᴄᴀʟs. ᴛʜᴇsᴇ ᴀʀᴇ ᴍᴀᴅᴇ ᴏғ sᴍᴀʟʟ ᴜɴɪᴛs ᴛʜᴀᴛ ᴊᴏɪɴ ᴛᴏɢᴇᴛʜᴇʀ ᴛᴏ ғᴏʀᴍ ʟᴏɴɢ ᴄʜᴀɪɴs.