Interestingly, although they are all referred to as algae, the red, green and brown algae are classified into three different kingdoms: the protists, chromists and Plantae, respectively. The algae all have cell wall structures and are capable of photosynthesis like our plants on land.nterestingly, although they are all referred to as algae, the red, green and brown algae are classified into three different kingdoms: the protists, chromists and Plantae, respectively. The algae all have cell wall structures and are capable of photosynthesis like our plants on land.
You put documents in a folder for storage; a letter would go in an envelope.
FedExÂ® Envelope (window) 1  Holds up to 60 unfolded pages of standard A4 paperwork. 2  Total weight (including contents, documentation and the envelope) must not exceed 500 grammes. 3  Tick the 'FedEx Envelope' box in Section 5 of the International Air Waybill.  Internal measurements: Height 24.1 cm and Width 31.8 cm.