1.Explain Why is nonpoint source pollution more difficult to control than point source pollution? 2.Research Find a reliable ecological footprint calculator and use it to determine the size of your own ecological footprint. How does your footprint compare to the average? How do you think the calculator’s accuracy could be improved?

hello which   of the following there is nothing!

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

i think that d. wind is the answer.   i missed the question when i answered a. currents.

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation: