Can someone please help me get this right pleaseee I’ll mark brainless .

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?