Answer:
ANSWER FOR NUMBER 14 The arrows show in the food web what animals eat/get eaten by, and why the arrows can't point the other way is because if they were to point the other way it would be unaccerate, for example if we switch the arrows that means that a hawk would be eaten by a rat.
Explanation:
So yea I hope that helped, I'm not really good w words when it comes to science.
Answer:
A control group setup in an experiment is used to see if there are other variables in play during the experiment. Say I was to test which type of blood is a shark's favorite, my control would be putting red paint in one of the set ups to see if the shark is just interested in the red color of blood, instead of the other types of blood.
Explanation:
This is obviously false. When we're talking about the 40,000 people who were killed in around this time period, we're talking about the so-called "Reign of Terror" which occured BEFORE Napoleon took over. It happened close to the beginning of the French revolution.
When two sea caves on opposite sides of a headland are eroded and unite a sea arch forms.
Sea arch is a natural opening and a type of erosional landform that forms due to different rates of erosion, usually as a result of different resistance of bedrock. Sea arch is made up of a soft rock that eroded as waves hit land which creates caves in the rock. Two caves may become jointed over some time to form a tunnel and eventually, a sea arch.