Wastewater from power plants are usually dirty and infected with bacteria.
The answer has to be D. I hope you get the answer right
Answer:
all of the above
Explanation:
it all has something to do with natural causes
They can use 3d printers to make identical copies of things such as fossils. The reason why that is useful is because REAL fossils are rare. So they can still study the traits and characteristics of the fossils without having to buy a fossil or find one because they are rare and they cost a lot
Producers bring energy into the ecosystem by making organic molecules from sunlight or chemical compounds. Producers bring new energy into an ecosystem by breaking down inorganic materials and making new ones.