Answer yes but what do you need help with?
Decomposers break down dead material
Modern, human-caused climate change is escalating the threats that make sea walls necessary. Sea levels are rising, putting communities at greater risk from floods. Storms are intensifying, causing more and more sand to erode from beaches.
Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
The answer to the given question above would be CALIFORNIA or CA. It is the state of California that us currently leading in the Parole Revocations having 2/3 of all the parolees who returned to prison. Hope this answers your question. Have a great day!