I might go with d it seems right to me hope this helps.
Answer:
My school has no stationary and my teacher has no stationary
Explanation:
cuz i am smart duh
Microscopes?
Scanners?
Transmitters?
Cameras?
Hand lens?
There are a lot
The level of toxins in the fish's cell is equivalent to the level of toxins in the water. Therefore, in order to reduce the toxins further, we should replace the now contaminated water with clean water. After the level of toxins in the fish's cell stops reducing, we replace the water with clean water once again.
44.0095 you're welcome hope this helps