What trends do you see with regard to CO2 concentration? What about average global temperature trends?

The CO2 concentration in the air increased, and temperatures increased too.

Explanation:

PLATO answer

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.