<span>c.)The product only has different physical properties than the reactants because a chemical reaction occurred.
This is because rust can behave differently than oxygen and iron. This is because a chemical reaction has happened- a chemical reaction is when a new product is formed. Rust can be change chemically and physically. </span>
The solid waste produced by a sewage-treatment plant is called Sludge
Answer: Option C
<u>Explanation:</u>
Sludge is a semi-strong slurry which is created as end product of mechanical procedures such as from water treatment, wastewater treatment or on location sanitation frameworks. For instance, it may be delivered as a settled suspension acquired from customary drinking water treatment, as sewage muck from wastewater treatment forms or as fecal slime from pit toilets and septic tanks. The term is additionally here and there utilized as a conventional term for solids isolated from suspension in a fluid.
Answer:
c you would have trouble remembering things.
Explanation:
Difficulty learning and retaining new information. Impaired factual and long-term memory, Persistent talking, Difficulty in recognizing faces.
I'll give some help
if u know Country's it will be easier and if u know how the Country looks like it will make sense. Basically just read the bottom paragraph and it will make sense.
A high biodiversity tally may indicate that some of its organisms may be able to survive drastic environmental changes. If there weren't at least a few organisms that contribute to biodiversity, most of the biotic Earth would be gone by now.
For example, woolly mammoths were unable to adapt to the up-and-coming warmth of the poles. Because they lacked biodiversity among their species, all of them died out and weren't able to adapt to the heat.
I hope I helped!
