Answer:
D. The rock was once in a marine environment.
Explanation:
The question says when MARINE organisms are present in a rock, meaning it was in a marine environment. Most fossils are found on land, but scientists can easily figure out of it was originally from land or marine based.
its asking if the majority of the population of the united states lives in the city or in the country like farmland, and the majority lives in the city
Answer:
Confederate forces held Fort Sumter in March 1861
Explanation:
"Following Beauregard's bombardment in 1861, Confederate forces occupied Fort Sumter and used it to marshal a defense of Charleston Harbor. Once it was completed and better armed, Fort Sumter allowed the Confederates to create a valuable hole in the Union blockade of the Atlantic seaboard."
"Major Robert Anderson...was forced to surrender it to Southern forces and returned to the North disappointed that he had not been able to postpone a civil war." because his troops were running out of supplies. They were on the verge of starving.
I hope this helps...
