Polly did an experiment with marbles in a glass bowl to show the movement of particles in solids, liquids, and gases. the experimental set-up is shown below: a glass bowl is shown with four marbles inside it. what should polly do to represent the particles of a solid? pack the bowl with marbles and then tap it gently. add two more marbles to the bowl and then shake it slowly. take out two marbles from the bowl and then shake it vigorously. add water to the bowl so that the marbles start sliding past one another.

Plz me ! 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 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give