Answer:
i believe its B but i might be mistaken.
Explanation:
<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.
1. D
2. idk
3. C
4. C
5. A
6. idk
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Answer
There is not enough antibody-producing clones during development therefore the immune system suffers.
