The use of steam power really did revolutionize transportation. however, in the beginning, steam power in boats and trains had a few disadvantages. name two of them.

Select the correct answer. in what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading? a. adaptive b. innate c. primary d. mechanical barrier

The mass extermination of jews as part of the holocaust during world war ii caused the displacement of millions of jewish survivors. a large portion of them immigrated to which location? a. united states b. poland c. north africa d. palestine e. soviet union

Civilization developed largely as result of?