Answer:
the answer is A. specific composition and structure, and contains one or more silicon-oxygen tetrahedrons.
Explanation:
Pick up after pets, plant trees, reduce plastic usage
Due to brainly not accepting my essay, I have instead included a image of it. :D
Answer:
Deletion
Explanation:
Deletion is the act of a gene being removed from a chromosome, making it mutated.
Chemical reactions are how new forms of matter are made. While nuclear reactions also may produce new matter, nearly all the substances you encounter in daily life are the result of chemical changes. Chemical reactions help us understand the properties of matter