In a clade, mammalian has the three descendents: monotreme, marsupials, and eutheria. what will these three descendants together be called?

twin groups
nodes
sister groups

An air mass's relative humidity is a measure of how much water vapor it contains compared to how much it can contain. different types of air masses, with different temperatures and pressures, are able to hold different amounts of water vapor. which of the following could cause the relative humidity of an air mass to change? a change in its temperature a change in its pressure a change in its water vapor content all of these