Enzymes are a type of

carbohydrates
lipid
protein
nucleic acid

Describe pasteur’s results and how they disprove spontaneous generation.

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy