An independent variable is a variable that is controlled in the experiment to test whether there will be an effect on the dependent variable. So in the experiment, the independent variable is the color of the feeder because Jamal wants to know if there is an effect if he uses red feeders on the hummingbirds. This is the one being controlled by Jamal because he can use a variety of colors of the feeders.
The character who <em>nearly breaks their teeth</em> on a silver sickle in a <em>Christmas Pudding</em> is:
According to the given question, we are asked to state the character who <em>nearly breaks their teeth</em> on a silver sickle in a <em>Christmas Pudding.</em>
As a result of this, we can see that the from the complete text in the <em>Christmas Pudding</em>, there is the narration about the event which led to Percy nearly breaking his teeth on the <em>silver sickle in his slice</em> as he was careless and very nearly paid the ultimate price.
Therefore, the correct answer is Percy.
Read more about Christmas pudding here:
brainly.com/question/236006
The correct answer would be, No, very little work on outside world.
Very little work on outside world when you rub your hands together to warm them.
Explanation:
When you rub your hands together to warm them up, a friction is created which helps in generating heat within the hands, and in this way the hands are kept warm.
When you rub your hands, the heath goes and disappears within your body, and a very little part of the heat goes into the environment. So this rubbing has a little work on outside world.
As far as the efficiency of this process is concerned, It is very high, as the heat generates and remains within the human body after rubbing and a very little goes on outside world.
Learn more about Friction at:
brainly.com/question/13521136
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