Celery stalks that are immersed in fresh water for several hours become stiff and hard. similar stalks left in asalt solution become limp and soft. from this we can deduce that the cells of the celery stalks are

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Is this a single replacement reaction or there is no

In which of these cases are the two wave points considered to be in phase with each other?