SiO2 is the chemical formula silicon and oxygen
Answer: yo sorry this a hard one
Explanation:
bro
endothermic means it absorbs energy while exothermic means it releases energy. remember this.
Answer:
2. B It is the outermost layer of Earth, composed of solid rock and divided into sections called plates. 3. B The inner core is kept solid by the intense pressure of all the layers above it.
Explanation: