Answer:
A (I believe)
Explanation:
Bartering can exchange things with no cost
They might be nicer or more positive and helpful
<span>The right answer is D. Have students discuss problems that arise in the classroom and develop possible ways of solving them. When
students establish their own rules, they are more likely to commit to
fulfilling them and see that their peers comply with them, unlike what
would happen if they perceive that they are forced to obey rules
established by others. <span>That is why the student should be encouraged to discuss possible options for a good coexistence in the classroom.
I hope this information can help you.
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Egyptians wrote in hieroglyphs, which is a series of symbols and pictures that they used to form sentences. They were mostly written on papyrus, wood, or carved in stones.
Answer: a. Discharged, untreated, into surface waters.
Explanation:
Most of the waste water and sewage water is left untreated into the surrounding soil or water which is the main cause of pollution. Due to lack of drainage system or septic chemical treatment the sewage water drain from major cities is discharged into the surface water untreated. This water can deteriorate the quality of portable water and can affect the population of many aquatic species reducing the aquatic biodiversity. The sewage discharge consists of nitrogen and phosphorus like minerals which can result in algal bloom causing eutrophication.