Science 8th grade living environment this is what it says and the multiple choice is in the picture

In the early 1600s, a scientist planted a willow tree that weighed 5 pounds in 200 pounds of dry soil. He placed it outside and watered it for 5 years. At the end of tha
time, he observed that the tree had gained 164 pounds 3 ounces, while the soil had lost just 2 ounces.