Why would pushing a wooden block across a rough surface make the block warm?

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?