The four lines of the Great Wall of China are in four separate directions.
Two kinds of daughters: obedient and disobedient
Daughters
choice
Skew lines can refer to non-coplanar lines and, if that is the case, they cannot cross.
There are more than 2 kinds, but perhaps you refer to molar (M) and molal (m). Or maybe you refer to weigh/volume and weight/weight. Or, maybe even you refer to % by mass and % by volume. And there are still others.
They are centimeters. yes they are cm but they can also refer to the points for eg 2inches the lines could refer 2.1 2.2 2.3 and so on
Those are 'meridians'.
The two kinds of indefinite pronouns are indefinite pronouns that refer to people, such as "someone" or "anyone," and indefinite pronouns that refer to things, such as "something" or "anything."
In Beowulf XXIII 1-6, the lines refer to the hero Beowulf's return to Geatland after defeating Grendel and Grendel's mother. The people of Geatland welcome Beowulf back with open arms, celebrating his victory and heroism. The lines emphasize the joy and relief felt by Beowulf and his people after facing and overcoming great challenges.
They refer to one of the 4 imaginary lines that help pin point and group locations on the earth
Yes. Metals refer to the kinds of metals.
They refer to the letter names of the lines in the bass clef.