Physical properties are used to classify and compare substances. Physical properties can include density, thermal conductivity, electrical conductivity, solubility, magnetism, melting point, and boiling point. Which statement is correct about all of these physical
properties?

A.) They are independent of the amount of the sample present.
B.) they involve a change in the identity of matter.
C.) they involve the production of new substances
D.) They can be measured only after a change in identity

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.