test tube contains starch, pancreatic amylase, and water. The buriet is negative. After 30 minutes, the Benedict’s test is positive. What substance is present?
The day of his important job interview has finally arrived, and Shingo wants to make sure that everything goes smoothly as he travels to his interview. […]
Can you help me write six questions in Spanish using interrogative words (cómo, dónde, qué, quién, cuál, cuánto/a/os/as, por qué, etc.) and regular -AR verbs (trabajar, […]