Question

How will you determine that the leaves brother than green can make their own food by photosynthesis?​

Answer 1

ʙʏ ᴅᴏɪɴɢ ᴛʜᴇ ꜱᴛᴀʀᴄʜ ᴛᴇꜱᴛ. ᴇxᴘʟᴀɴᴀᴛɪᴏɴ: ꜱᴏᴍᴇ ʟᴇᴀᴠᴇꜱ ᴡʜɪᴄʜ ᴀʀᴇ ɴᴏᴛ ɢʀᴇᴇɴ ᴀʟꜱᴏ ᴍᴀᴋᴇ ᴛʜᴇɪʀ ᴏᴡɴ ꜰᴏᴏᴅ ꜱɪɴᴄᴇ ᴛʜᴇʏ ᴄᴏɴᴛᴀɪɴ ᴀ ʟɪᴛᴛʟᴇ ᴀᴍᴏᴜɴᴛ ᴏꜰ ᴄʜʟᴏʀᴏᴘʜʏʟʟ. ʙʏ ᴅᴏɪɴɢ ᴛʜᴇ ꜱᴛᴀʀᴄʜ ᴛᴇꜱᴛ, ɪꜰ ᴀ ʟᴇᴀꜰ ʜᴀᴅ ᴘᴇʀꜰᴏʀᴍᴇᴅ ᴘʜᴏᴛᴏꜱʏɴᴛʜᴇꜱɪꜱ, ɪᴛ ᴡɪʟʟ ᴛᴜʀɴ ʙʟᴜᴇ-ʙʟᴀᴄᴋ ɪɴᴅɪᴄᴀᴛɪɴɢ ᴛʜᴇ ᴘʀᴇꜱᴇɴᴄᴇ ᴏꜰ ꜱᴛᴀʀᴄʜ ꜱᴛᴏʀᴇᴅ ɪɴ ɪᴛ.

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