It's a good idea to practice ahead of time? A written reports B oral presentations C both

The influenza virus cause the flu, but not other diseases. why?

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Which description provides the best objective summary of the article in the passage?