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strojnjashka [21]
2 years ago
10

Coral reef are threatened today mainly because

Chemistry
2 answers:
Vinvika [58]2 years ago
8 0

Answer:

Really pollution because that includes a lot of things

Explanation:

Have a good day

STALIN [3.7K]2 years ago
6 0

Answer: Pollution.

Explanation: Humans are polluting Earth's oceans with our toxic waste and plastic garbage. This trash kills the coral reefs that exist in said oceans.

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3 years ago
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D snails, guppies and plants. The community should be diverse and have lots of biodiversity.

7 0
2 years ago
Which of the following correctly describes a compound?
Nutka1998 [239]

A compound is a pure substance formed by the chemical combination of two or more different elements.


A compound may be splitted into simpler substances by chemical reactions, and has different properties to those of the elements that form it.


The composition of a compound is fixed: every piece of a compound has the same kind of atoms, bonded in the same way and proportion.


Some examples of compounds are H₂O, NaCl, H₂O₂, CH₃COOH. As you see, they have a chemical formula which states the kind and number of the atoms that form them.


They are different to mixtures, which are formed by two or more compounds, in a variable proportion, and can be separated by physical media. Some examples of mixtures are the solutions (e.g. NaCl dissolved in H₂O), and some solid mixtures (e.g. a mixture of marbles and sand).

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