The majority of household waste in the united states is thrown away. the most effective way to reduce household waste would be to a) recycle more. b) use less goods. c) compost food scraps. d) burn all paper waste.

What’s #16 asking and how do i solve it?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2