plz help I am in connections academy science 7B unit 1 lesson 8 I am very confused

Question

1. which of earths spheres contains most of its mass?
A. atmosphere
B. hydrosphere
C. geosphere
D. biosphere

2. Erosion and weathering are examples of which types of forces

A. constructive forces
B. destructive forces
C. gravitational forces
D. inertia - related forces

I am stuck plz help

Answer 1

I think it is C. and B. am I right?

Answer 2

Yes, You are correct! In fact, I am doing that test right now!

Answer 3

yes

Answer 4

I'll tell you the rest when I'm done. Or if I'm allowed to.

Answer 5

ok thx!

Answer 6

np

Answer 7

could i please have the answers