Spores in the air or contamination through some sort of insect interaction. In an open system, there are billions of microbial agents floating around. With an open container containing a food source and time, the likelihood of contamination is nearly %100.
<span>Solvent is ethyl alcohol.
hope this helps!</span>
Answer:buckled railroad tracks on a hot day
Explanation: i just did it
C. Degrees Celsius (°C) is used around the world, except mainly in the US. Absolute 0 is absolute absence of kinetic energy in gas, so 0°C is actually nowhere near absolute 0.
