Answer:
Many fish have an outer covering of scales. Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish.
Explanation:
I cannot do this entire thing for you, but I can help.
A cause is the thing that forces something else to happen. So, that could be anything. The effect is what comes after the event.
For example, the driver was texting while driving. That is the cause. He hit a girl. That is the event. He girl was injured. That is the effect.
Hope that helps!
Answer:
Congress can create a postal system, Congress can declare war, and Congress can make treaties with foreign nations.
Explanation:
However, its inability to levy and collect taxes prevented it from doing many of these and its other jobs successfully (if you need me to elaborate say so).
Answer:
C. The site of an ancient battle
Explanation:
Archaeologists study past human activity by excavating, dating and interpreting objects and sites of historical interest
True. Because that is when wars were fought and more colonies formed
.