A mass of algae and microorganisms that retains water during the winter is called .
A. seaweed
B. oasis
C. periphyton
D. mangrove

if it is a supervisor that collects all the handmade products the word is you but if it goes straight to the machine made activity there isn't any word unless there is robot programmed to say you.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

answer; they burn down the bushes and trees;

answer; protecting domestic national security; i believe this is correct,plz check first,good luck;