Answer:
Since it is likely that the weeds in the lake act as a food source for organisms within that ecosystem, killing all the weeds would harm the population that feeds off them, and in turn the populations that feed off of them.
Mitosis is a part of the cell cycle when replicated chromonsomes are separated into two new nuclei.
Raising cattle and farming rice contribute to air pollution by,
<span>Releasing the greenhouse gas methane into the atmosphere</span>