Which statement about a pair of units is true?

(a) a yard is shorter than a meter.
(b) amile is shorter than a kilometer.
(c) a foot is shorter than a centimeter.
(d) an inch is shorter than a centimeter.

option A is correct as 1 yard consist of 0.9144 meter which is less than one meter

Explanation:

from the above given statement option 1 is true

1 yard is equal to 0.9144 meter

while

1 mile is equal to 1.60934 km

1 foot is equal to 30.48 centimeter

1 inch is equal to 2.54 centimeter

therefore all these units [left one] are larger than their respective conversion [ right one unit]

therefore option A is correct as 1 yard consist of 0.9144 meter which is less than one meter

tube or goog with be a great resource to with that question

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.