Why does cold air sink in the presence of warm air?

What is the correctly balanced chemical equation for the reaction of KOH and H2SO4

There are traits like blood type and eye color, and others like speaking English or having a scar. what terms used to describe these different types of traits? how are they each defined?

What city is located at 10 degrees South, 38 degrees east

Are pure substances homogeneous or heterogeneous

describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located

Compare how an increase in wavelength affects sounds and light waves.

The addition of an acid to water increases the [H30*) of the solution and increases the solution pH. True or False True False

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?