HELP PLS I NEED THIS BY THE END OF THE DAY I WILL GIVE BRAINLIEST Your friend says they bought a new ring with a ruby (corundum) in it for $2000 but you think they got cheated. You ask to borrow their pretty red ring and promise to give it back. It has a non-metallic, glassy luster. You test the ring and find that it scratches to glass but gets scratched by a piece of topaz you have. When you scratch it on an unglazed porcelain tile, you barely see a brown line. You tell your friend the bad news. What do they really have? Answer using claim, evidence, and reasoning.

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?

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