Answer:
Carbon Dioxide / Gas
Explanation:
When carbon is in the atmosphere it is usually in the form of molecules of carbon dioxide that is released by living organisms such as humans, plants, animals etc and it is a gas.
I hope this answer helps.
Answer:
where is the digram but without it how we now about the error
<u>Answer:</u>
<em>A constant is something whose value cannot be changed and is used for comparison purpose. </em>
<u>Explanation:</u>
The controlled variable is a type of variable whose value is kept constant during the experiment to get the desired or expected result. The difference between constant and a control variable is that the constant can never be changed.
However, the value of control variable can be changed but is kept constant with a purpose in an experiment to get the data. The controlled variable in a battery can be the multi meter that should be used for all the batteries.
Answer: The percent error is 3.88%
Explanation:
Percent error = [(Actual bones - Counted bones)/ Actual bones] X 100%
= [(206 - 198)/206] X 100%
= [8/206] X 100%
= 3.88%
Thus, Carl's percent error is 3.88%
