Why did the western front barely move throughout world war i?
a. trench warfare limited territorial gains on either side.
b. the vastness of russia made gains difficult for intruders.
c. because it covered several locations, it was hard for one side to gain significant ground.
d. the ottoman empire controlled much of the territory throughout the war.

Plz which natural resources in southwest asia are important? choose all answers that are correct. oil plutonium water natural gas

What forms of energy are involved when snow on a mountain breaks loose, resulting in an avalanche? during an avalanche, the( 1 ) energy of the snow on the mountain is converted into ( 2 ) energy as the snow cascades down. ( 1 ) a. elastic b. kinetic c. potential d. radiant ( 2 ) a. chemical b. kinetic c. nuclear d. potential

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation