They decrease because the zebra mussel were taking their resources. Leaving them nothing to eat.
Fossils can be found in the Earth's crust.
The crust is the thinnest layer of the Earth. The fossils are most probably be found in this layer because it is the outermost layer. Also, the deeper the layer of the Earth, the higher the temperature that it has, and it probably cannot preserve the fossil.
Usually under ground springs, or sometimes hollowed earth beneath solid earth where the water pools.
<span>Answer: Use Format Painter in Microsoft Office or in other such office automation softwares.
Explanation: Since several cells have to be formatted with the same set of style, it is more easier if we do the formatting in one cell and then use the format painter tool to have the same formatting copy-pasting to all the desired cells.</span>
Answer:
If there are no plants in the tank, they will run out of oxygen because there is nothing producing oxygen.
Explanation: