19. volume is an unreliable measurement because
o a. solids can't be measured accurately by volume.
o b. food expands or contracts in different temperatures.
o c. gas weighs less than liquid.
o d. there's no standard size of measuring cup or spoon.

Volume is an unreliable measurement because

O A. solids can't be measured accurately by volume.

O B. food expands or contracts in different temperatures.

O C. gas weighs less than liquid.

O D. there's no standard size of measuring cup or spoon.

ANSWER

OPTION C

after the signature of the treaty of versailles in june 1919, germany lost nearly 25,000 square miles and a population of 7 million people. these territories included eupen-malmedy area and moresnet which were ceded to belgium. regarding relations with france, germany ceded the sovereignty of the saar coal mines to this country, as well as the provinces of alsace-lorraine.

explanation:

thousands of people

explanation: