All but one action will increase the accuracy of a scientific experiment. it is
a) increasing the number of trials.
b) decreasing the number of participants.
c) having several doctors do the same experiment.
d) practicing the procedures before doing the experiment.

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.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.