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:
Answer: D
STRONG ACIDS:
HBr
HCl
HI
HNO3
HClO4
H2SO4
D2 has 1 neutron
and 1 proton