Read this idea about science club: students test water samples from different sources and record observations. Which detail supports the writer's point?

D. the detail about students test water samples from different sources and record observations / students test water samples from different sources and record observations वाला detail

Step 1: Identify the concept: reading skill: supporting detail. Step 2: The correct detail directly supports the main point. Step 3: Exam tip: For supporting detail, use the whole context, not one word only.

Step 1: यहाँ reading skill: समर्थन विवरण पहचानना है। Step 2: सही detail सीधे main point को support करता है। Step 3: याद रखें: समर्थन विवरण में पूरे passage का संकेत देखें।