Answer:
No, you need both mass and volume to determine its desity to see if it can float.
Explanation:
Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.
Not always, the toxins may have been absorbed by the body and released in urine
I didn’t see any of the following but I can say that one reason they use it is to record their findings
Avoid touching it, if a mole is picked at and is expanding this can becaome a serious problem causing infection if picked at, if it continues to grow you might needd to see a doctor or a dermatologist
i think its more intense light, absorbed more carbon dioxide, and absorbed more oxygen