They gather data about the natural world.
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Answer:
balanced , balanced , unbalanced, unbalanced, balanced, balanced, unbalanced
Explanation: you're welcome
Answer:
An Empty Tank Is Slowly Filled With Air. Water Is Then Added To The Tank, Decreasing The Volume For The Air In The Tank. The Temperature Remains Constant
Explanation:
Let's calculate the average acceleration. It is the rate of changing speeds. Hence, we need to calculate the difference of speeds. 10-6=4 m/s. The rate is now

.
In general, the formula for the mean acceleration between two times 1 and 2 is given by:

where v1 and v2 are the speeds at the respective points and T is the time interval between them.
I believe that it is a boy but if they would like to be classified as a girl or a boy their decision needs to be respected