The Environmental Protection
Agency is the United States Federal Government's agency that aims to protect
the environment by setting standards. Mercury and Air Toxics Standards sets
the limits on the amounts of mercury and other toxic are pollutants that is
emitted by power plants. It reduced emissions by 90%.
<u><em>Answer:</em></u>
<u><em>B is the correct answer</em></u>
<u><em>Explanation:</em></u>
<u><em>1- When you are recording what you are seeing it is a process called observation. Observation is used when you want to look at something.</em></u>
<u><em> Tyler is making a plan to test what kind of birdseed the birds at the park eat the fastest. This is called an experiment. Experiment is when you are taking your hypothesis and running tests on your hypothesis</em></u>
<u><em>Hope this helped :)</em></u>
The answer is qualitative
Commensalism is a type of symbiotic relationship between two organisms in which one benefits without affecting the other one is any way.
Examples of Commensalism for a Better Understanding of the Concept:
Cattle Egrets and Livestock.
Orchids Growing on Branches of Trees.
Remora Fish and Sharks.
Pseudoscorpions and Beetles.
Monarch Butterfly and Milkweed.
Birds Following Army Ants.
Burdock Seeds on the Fur of Passing Animals.
Barnacles and Whales.