<h3><u>Answer;</u></h3>
Rock
<h3><u>Explanation</u>;</h3>
- Rock is a naturally occurring solid mixture of one or more minerals or organic matter.
- <em><u>Rock is a solid mixture of crystals of one or more minerals, or organic matter.
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- <em><u>Rocks are classified by how they are formed, their composition, and texture. </u></em>Rock has been an important natural resource as long as humans have existed.
- The rock cycle is the series of processes in which a rock type changes from one type to another.
When referring to knowing where to find something when you need it you mean that you do not need a memorization of all things, you just need a source to find it when in need. I hope this answer suited your needs.
During the Light dependent reaction of photosynthesis light energy is converted into chemical energy
