An atomic mass unit is defined as precisely 1/12 the mass of an atom of carbon-12.
Quero pontos mesmo veu que cu descylapa moçe
If the sealed glass is permeable to sunlight or to transfer of heat will be an open system, but if the sealed glass is a thermic glass and doesn't allow exchange of heat and exchange of solar energy (for example a mirrored glass that reflect the sunlight) and the terrarium is not exchanging energy with the surroundings will be a closed system. It is a question that doesn't specify too many details about the system in the study. It is hard to give a final answer without making some assumptions.
True
Enzymes help the body in digestion and other bodily functions which involve chemicals.
