An unknown substance is heated from 10 °C to 25 °C. The table below shows the state of the substance at different temperatures. Time (minutes) Temperature of liquid (degrees Celsius) State of matter 0 10 Solid 2 15 Solid 4 17 6 17 8 17 10 23 Liquid 12 25 Liquid Which statement is correct about the unknown substance? Its melting point is 17 °C. Its melting point is 15 °C. The substance sublimes at 15 °C. The substance exists as a gas at 17 °C.

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

Aboy with an extra x chromosome probably has which of the following syndromes?

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands