Rock salt and rock candy
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Humans can safely eat edible rocks such as salt and some types of clay, like kaolin. However, it's important to be cautious as consuming non-food rocks can be harmful to health due to potential toxins or rough texture that could cause damage to the digestive system.
Yes, rocks are considered odorless because they do not release any aromatic compounds that can be detected by the human nose.
Rocks can split due to various factors such as changes in temperature, pressure, or the presence of water. Over time, these factors can weaken the rock and cause it to crack or split apart. Additionally, stress from tectonic movements or human activities like mining or excavation can also cause rocks to split.
It is an avalanche.
Asphalt concrete is neither a mineral nor a rock. It is a human-made material composed of aggregates (such as sand, gravel, or crushed stone) bonded together with bitumen, a sticky black substance derived from crude oil.
Rocks can last for millions to billions of years, so their lifespan is considered to be essentially infinite in human terms.