Ellen Catala Books

Snakes and lizards
Snakes and lizards

By Ellen Catala

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Describes the characteristics that snakes and lizards have in common as well as those things that make them different.

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Snakes and lizards
Snakes and lizards

By Ellen Catala

Average: 0.00, 0 Ratings

Describes the characteristics that snakes and lizards have in common as well as those things that make them different.

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What has changed?
What has changed?

By Ellen Catala

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Animals in danger
Animals in danger

By Ellen Catala

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What has changed?
What has changed?

By Ellen Catala

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Seals
Seals

By Ellen Catala, Greg Harris

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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