Lesson 50 — Where Things Come From Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Hello, In this lesson, you’ll learn all about Where Things Come From, for example: glass, cotton, oil and more… To do now: 1) Read the interactive Book (includes Audio) 2) Take the Quiz to earn your badge! QuizzesStatus 1 Practice: Take Where Things Come From Quiz ← Previous Lesson
