What human life process requires hydrochloric acid?

THANKS!!!

Answers

Answer 1
Answer: The answer is Enzyme

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Why is it important to ensure that treated water remains safe to drink when it is stored after treatment? what is one way to make stored water safe?

Answers

It is important to ensure that treated water remains safe to drink when it is stored after treatment because of the following reasons:

  • to prevent from germs.
  • to prevent ourselves from various diseases.
  • to protect our health.

The one way to make stored water safe is that stored it in clean container.

Why it is important to drink safe water and how to make stored water safe ?

It is important to ensure that the treated water remains safe to drink when it is stored after the treatment because

  • To prevent us from germs and other containments: Drinking water contains germs, viruses, bacteria which can lead a serious health problems, diseases suchas cholera.
  • To prevent ourselves from various diseases: When we stored waterafter treatment it improves the taste of water, smell of water and its appearance also.  
  • To protect our health: Untreated water is not good for drinking for our health because it contains many impurities and they are harmful for our health.    

The one way to make stored water safe is that stored it in clean container and do not store the containers of water in direct sunlight.          

Thus, we can say that it is important to ensure that treated water remains safe to drink when it is stored after treatment due to prevent us from diseases, germs, viruses and othercontainments. After treatment of water it is must be tested once to that it is stored to ensure that it is safe for drinking or not.

Learn more about the importance of clean water here: brainly.com/question/25945773

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Must new substances be formed when you observe a chemical property? explain

Answers

Yes. Whenever a chemical change is observed (a few examples being change in color, odor, or precipitate formation) a new substance is formed.

What is the name for NH

Answers

Answer:

Due to the lack of context for your question I’m not completely sure which you are talking about but NH can be Imidogen or it could be ammonium which is NH4^1+

Which of the classifications for humans means that we have a hollow nerve chord?A) Class
B) Kingdom
C) Order
D) Phylum

Answers

Answer: Phylum  

Explanation:

A notochord can be defined as the beginning to the backbone which is primitive. It appears in the embryos as a flexible rod which is made from the germ layer called as mesoderm.

It is one of the 3 layers that is found in the body. These layers are ectoderm, endoderm and mesoderm.

Notochords are only found in the phylum chordata. This phylum belongs a group of animals which includes human.

Humans are phylum i believe

The number of valence electrons in each atom of an element affects the elements

Answers

Explanation:

The number of valence electrons or outermost electrons present in an atom determines the chemical properties of an atom.

Therefore, atoms belonging to same group have same number of valence electrons. Thus, atoms of a group have similar chemical properties.

Hence, we can conclude that the number of valence electrons in each atom of an element affects the elements chemical properties.

The number of electrons in an atom's outermost valence shell governs its chemical properties. Elements react to form a closed shell, corresponding to the electron configuration s2p6 . This tendency is called the octet rule, because the atoms have eight valence electrons.

How does a metallic bond differ from an ionic bond

Answers

A metallic bond is held together by electrostatic forces of interaction, while an ionic bond is held together by electrostatic forces of attraction by oppositely charged cations and anions. The ionic bond has one atom donate electrons to become positively charge while the other atom receives electrons and becomes negatively charged. The opposite charges then attract one another to create the electrostatic force of attraction. In contrast, the electrons in a metallic bond are delocalised, then the nucleus attracts this free moving electrons to establish electrostatic forces of interaction. The structure shows positive charge surrounded by negative charge.