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