Gravitational waves are ripples in spacetime. They are created whenever objects with mass move. Hope this helps :)
Found a similar question with the following choices:
a. living things and flowing water
b. climate and soil properties
c. physical setting and biological community
d. climate and landscape features
In a watershed system, the two main parts are the A. LIVING THINGS AND FLOWING WATER
Interphase, lasting 18 of the 20 hours cycle
Food was cooked, quickly frozen, and then dehydrated in a special vacuum chamber. Freeze-dried food didn't need to be refrigerated and would last a long time. To make most freeze-dried foods, astronauts squeeze water into the food packages and then eat the food after it absorbs the water.
Answer:
adjective
adjective: Greek
relating to Greece, its people, or their language.
noun
noun: Greek; plural noun: Greeks
1.
a native or inhabitant of modern Greece, or a person of Greek descent.
a Greek-speaking person in the ancient world, especially a native of one of the city states of Greece and the eastern Mediterranean.
2.
the ancient or modern language of Greece, the only representative of the Hellenic branch of the Indo-European family.
3.
US
a member of a fraternity or sorority having a Greek-letter name
