Scientists know a lot about ancient Earth's climate because of clues that remain in rocks, ice, trees, corals, and fossils. These clues tell us that the
Earth's climate has changed many times over the years. There have been times when most of the planet was covered in ice, and there have also been
much warmer periods. Over at least the last 650,000 years, temperatures and carbon dioxide levels in the atmosphere have increased and decreased in
a cyclical pattern

volcanic: add dust, add carbon...

photosynthesis: removes,permanently

earth orbit: milankovitch, asteroid

Explanation:

Usatestprep

excuse my spelling.

and i oop

explanation:

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.