URGENT Consider a hot cup of coffee sitting on a desk. Determine the flow of heat from the point of view of the system. A. The hot cup of coffee is the system and heat is being transferred from the coffee to the surroundings, q of the system is negative.

B. The hot cup of coffee is the system and heat is being transferred from the coffee to the surroundings, q of the system is positive.

C. The hot cup of coffee is the system and heat is being absorbed by the coffee from the surroundings, q of the system is positive.

D. The hot cup of coffee is the system and cooler air is being absorbed from the surroundings to the coffee until the coffee is the
same temperature as the surroundings.

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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

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)