Answer:
The blue range of (425-450mn) and red (600-700mn)
Answer:
D
Explanation:
Example the action of teeth on food in the mouth increase surface area for salivary amylase to start digestion of starch
Anna needs milk and she has eggs. Josiah has milk but he can't eat eggs(because he was allergic).
So, Anna can't trade the eggs to Josiah directly. In this case, Anna needs to find someone that can accept eggs and gives things that accepted by Josiah.
If Josiah says that he wants apples, Anna can trade the eggs with someone that has apples. Then, Anna can trade the apples with the milk.
