It refers to the stems that branch off from the main stem of the leaf.
Alternate means that the stems on one side are not opposite each other but alternate from one side to the other as you count them.
Opposite means that a stem on one side has another stem directly opposite it on the other side of the main stem.
Alternate int angles are two interior angles which lie on different parallel lines and on opposite sides of a transversal
classifying quadrilaterals mean you give the shape a name.
the act of classifying or a system of classifying
Putting into categories.
Hades' alternate names mean 'the unseen one' and 'the rich one'.
It depends on what you mean by alternate. If you mean what I think you mean, then, for example, you could substitute (or sometimes called alternate) 1 cup milk with 1/2 tsp. lemon juice if you didn't have buttermilk. Otherwise, I have no clue what you mean.
This is referring the trigonometry, and is a shorthand to jot on the corner of the page if you are a beginner, s, just means sin; c means cos, and t tan, a means opposite and a alternate.
alternate
Errors......
to classify means to put things into groups
When two parallel lines are cut by a transversal, the two pairs of angles on opposite sides of the transversal and outside the parallel lines, and the angles in each pair are congruent.
You might mean taxonomy.Taxonomy is the study of ways of classifying things or concepts.A taxonomy is such a classification.