gneiss
The majority of rocks are composed of a variety of minerals. Monomineralic rocks are rare.
Granite is a common rock that is composed of several different minerals, such as feldspar, quartz, and mica. These minerals form large crystals and give granite its distinct speckled appearance.
Rocks are not elements. They are composed of one or more minerals in a conglomerated or aggregated fashion, and are formed through several different geological processes. Some minerals are elements, however, but these are usually rare.
Usually the expansion of the block or different rates between block & heads if composed of different materials makes it blow out when car overheats (most common cause)
minerals
There are no set numbers. Usually a Troop will be composed of several patrols that each have about 8 scouts. About 15-30 would be a pretty typical numbers but it can be higher or lower.
I find several things interesting about butterflies: they have a life cycle, they are usually inaudible and they have different colours.
Solids, usually.
The boss key can be acquired in several different ways but usually you will acquire it in a chest. If not this method then you usually must defeat a mini boss.
There are several different school options for an x ra tech. The schooling is usually completed within two years.
60
Minerals! Rocks are made of minerals