Natasha wants to know whether adding coffee to the soil will help plants grow. She plants seeds in pots and adds coffee to the soil. What else should Natasha do to find out if coffee helps plants grow? A give the plants fertilizer B. add more water to the soil C. put the plants in the shade D. grow some seeds without coffee
This will let her knows the deference between plant with coffee and plant without coffee and from this she will know if coffee helps plants grow or not
