Suppose a scientist found a new matal-like substance in the desert. he determined its mass to be 20 grams. the volume was determined by water displacement to be 5 cm^3. what is the density of the substance? will it sink or float in liquid water ( 1g/cm^3)?

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached

The anwser is: wave a has a greater pitch and frequency.