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.
Paper stock folders are great for filing, storage and a variety of other applications. But sometimes you need something more durable and secure. For that, try a file pocket with a flexible vinyl or polypropylene construction. Vinyl and plastic file pockets and file jackets last longer and protect the papers inside better. File pockets are sealed on two or three sides instead of one, offering even more security. Some even include flaps for use as envelopes. Use for presentations, storing files in a briefcase, or department or school projects.