In the past, people were accustomed to writing in vertical lines from right to left. The traditional couplets followed this rule, but things have changed. Sometimes people don't follow the rules, and they even make mistakes. Here is the way to read Spring Festival Couplets: First, look at the horizontal scroll. If the four characters are written from left to right, the upper scroll will be on the left and the lower scroll on the right.
The input of water cannot estimate photosynthetic rate, since it is also used in transpiration. The parameter that you chose to measure depends on your resources and the accuracy required of your estimates. There are instruments that measure the input of CO2 and output of H2O, called Photosynthesis Measurement Systems.
Big idea 2: Cellular ProCesses: energY and CommuniCation. Measuring the rate of photosynthesis is a challenge in a high school laboratory. Because the purchase of appropriate sensors or instrumentation is expensive, the. floating disk system described in the Student Manual provides an easier, cheaper,