posted by Jennifer .
Juan says when you put together unequal groups,you can only add is she correct Explain
no. One can subtract smaller from the larger.
how can i describe two ways in moon differs from the earth
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.
How about size and atmosphere?