The lock is made from titanium metal, which has a melting point of 1668°C. The lock is under 1.00 atmosphere of pressure and the room is at 25 °C. If you raise the pressure of the mechanism enough to melt the metal, the lock will release. To do this, you must increase the pressure to mmHg (round your answer to the nearest whole number)

b false

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

answerleaving cheese out to get moldy;