Higher phosphates is typically associated with a large amount of organic material in a water supply. A large amount of organic material implies rapid growth, so higher phosphates is the only feasible choice.
Not enough info, but I'd go with:
B) hydrogen peroxide
First of all, only hermaphrodites can produce offspring by themselves, and most of the time, they end up being genetically mutated, but either way it is called asexual reproduction
The answer is: c because the rate that these consumers convert the chemical energy to their food into their own biomass
Answer:
It says that what happens to the mass of copper sulphate which is already dissolved in any kind of solution when the temperature increases.