Question

sand flowing in an hour glass is an example of
1. physical change
2. chemical change​

Answer 1

Answer:

IT IS A PHYSICAL CHANGE.

I HOPE IT'S HELPFUL TO YOU

Answer 2

ꜱᴀɴᴅ ꜰʟᴏᴡɪɴɢ ɪɴ ᴀɴ ʜᴏᴜʀ ɢʟᴀꜱꜱ ɪꜱ ᴀɴ ᴇxᴀᴍᴘʟᴇ ᴏꜰ ᴘʜʏꜱɪᴄᴀʟ ᴄʜᴀɴɢᴇ.

ᴍᴀʀᴋ ᴍᴇ ᴀꜱ ʙʀᴀɪɴʟɪᴇꜱᴛ.