18. Higher order thinking skills I

 

Yeast is an essential ingredient in the production of non-baked goodsproduction of aerated drinksproduction of baked goodsproduction of fatty acids.

 

Yeast is a bio-organic catalyst; sulphur trioxidecarbon monoxidesulphur dioxidecarbon dioxide is developed by the yeast due to the breakdown of fermentable sugars in the dough and makes cakes rise.

  

 

The combustiondecompositionvaporizationdistilation of fossil fuels also emits a large amount of carbon dioxide into the atmosphere.

 

Sulfur dioxideSulfur trioxideCarbon monoxideCarbon dioxide is a greenhouse gas that is responsible for global warming. Humans bum fossil fuels, emitting vast amounts of carbon pollution and trapping more and more heat in the atmosphere.