At the center of the cloud, more weight of the gas molecules are present.
The mass or weight at the center of the cloud increases when the gas molecules group together in a molecular cloud because more gas molecules are present at the center which combines with each other leads to heavier weight of gas molecules. The combination of gas molecules make the center of the molecular cloud denser as compared to other parts of the cloud so we can conclude that increase in mass occur at the center of the cloud.
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Answer:
It is true
Explanation:
The aerobic exercises produce an acceleration in metabolic process. To obtain the necessary energy to do them, the body start to use the carbohydrates. After transforming these carbohydrates into energy, if the body is still in movement, to continue producing energy, the body will continue with the lipids present in the body. In this way, doing aerobic exercises, the carbohydrates and lipids that was used, reduces the volume (and mass) of tissues, in general, from all the body.