1. the first choice , hope that helped
Answer:
beak, wings, claws, tail, crown, breasts, nape
Explanation:
<span>A stimulus is the reaction of something in a given environment.</span>
B) made of just one substance
Explanation:
A mineral is just made up of one chemical substance.
Geologically, a mineral is defined as a naturally occurring inorganic chemical substance, with a definite chemical composition and well ordered atomic structure.
- Minerals are produced naturally through inorganic chemical processes.
- Calcite is mineral that makes up limestone and it consists of Calcium carbonate.
- Most rocks are aggregate of minerals.
- Most rock forming minerals are silicates.
Learn more:
Rocks brainly.com/question/2817889
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