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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
How does sound travel, and how do we measure it? This book shows readers how to find answers to their questions about sound. Using simple activities, readers will explore the speed of sound, measure wavelength, and investigate other important concepts.
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