Many animals exhale carbon dioxide, CO2, as a waste product, but plans need CO2 to
live.

All animals exhale carbon dioxide i.e. co2 but plants need co2 to live because co2 helps in the process of photosynthesis to produce carbohydrate and oxygen.

6CO2 + 6H2O → C6H12O6 + 6O2.

the backbone of the dna and rna compound is sugar phosphate.

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.