At a particular crime scene, the victim’s body is on the floor, lying in a pool of blood with a knife stuck into the chest. Bloody shoeprint marks are everywhere. The drapes in the living room are wide open and the door to the bedroom is ajar. A table lamp is lying on the floor at the far end of the bedroom and the window is wide open. A half-filled glass of water sits on the kitchen counter. In the bathroom, the tap is still running and the mirror is smashed into pieces. Investigators think there is a possibility that an eyewitness was present when the perpetrator killed the victim. Which four items at the crime scene are likely to have been disturbed by the eyewitness? Justify your answer.

i think it is true in my reasonment ..

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.