Complete the passage to describe one of the features of Einstein's general theory of relativity. According to Einstein, space and time are
and are parts of a whole universe that has four
dimensions. Masses in the universe
space-time, and the resulting shape of space-time causes

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

i don't understand. explain it clearly

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)