Answer:
An increase of 3,500 J
Explanation:
Given that,
Energy added by swimmer = 12000 J
Heat removed by the surrounding = 8500 J
We need to find the total change in energy. It can be calculated using the law of conservation of energy such as :

As the change in energy is positive, it means that there is an increase of 3500 J.
I think it would be something like a landslide
It is chloroplast I guess because once i read that mitochondria has not much importance in being an autonomous organelle
The DNA is found in the nucleus of the cell
what's the question?I am confused is that the question or a statement