Even though two grams seemed to disappear or vanish, the law of conversation of mass still holding true. Mercuric oxide, when heated, forms a gas of mercury and oxygen. During the investigation, some gas could have escaped or evaporated.
Belive it or not but an oreo is a mixture. LOL
Answer:
a. physical features
Explanation:
google
{and my biology teacher is <u><em>awesome</em></u> ❌}
Answer:
An educated guess based on what you already know.
Explanation: