A fen is a type of wetland that includes neutral or alkaline water. They often include brown mosses, grasses, and sedges. Common animals include frogs, snakes, dragonflies, and mosquitos. A fen is an example of a(n):
A. species.
B. ecosystem.
C. biosphere.
D. habitat

How do i do this? true or false? : elephants have the same dna as humans and bananas alike.

Read a report of the paris medical faculty from 1348 about the plague. we can say that the main cause of this pestilence was and is the configuration of the heavens. in 1345, at 1: 00 in the afternoon of march 20th, there was a major conjunction of three planets in the constellation of aquarius. this conjunction, along with others like it and the eclipse caused a deadly corruption of the air around us. what is the most likely reason this document would be important to a historian’s study of the black death? a) it shows the importance of astronomy in medicine today. b) it shows how medicine once differed in paris and london. c) it shows how the plague’s cause was interpreted in the past. d) it shows the desperation to find a cause of the black death.

After nine states had ratified the constitution by mid-1788, other states quickly followed. all thirteen states had to obey it. it became law in the united states. none of the states had to obey it.