1. What was the dependent variable measured in the experiment? A. the number of plants surviving after 30 days
B. plant height
C. pH of the water
D. the volume of water used to water the plants in the different groups
e. the mass of the plants in each group

b.

Explanation:

mark me as brainleist please

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.