Answer: To geologists, a rock is a natural substance composed of solid crystals of different minerals that have been fused together into a solid lump. The minerals may or may not have been formed at the same time. What matters is that natural processes glued them all together.
Minor blows to the head never lead to long-term brain injury: False.
<h3>What is a brain?</h3>
A brain can be defined as a delicate internal organ of soft-nerve tissue that is primarily found within the skull of vertebrates, and it's mainly responsible for the coordination of nervous activities, sensation and intellect in living organisms.
Based on medical information and records, the brain comprises two (2) sides which are able to communicate through the corpus callosum and they include:
- Symmetrical left hemispheres
- Symmetrical right hemispheres
In conclusion, it is very important to note that both minor and major blows to the head can lead to long-term brain injury in living organisms.
Read more on brain here: brainly.com/question/1980581
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