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2 years ago

How would technology affect the population growth rate?

Chemistry

2 answers:

Rasek [7]2 years ago

8 0

B. It would lead to rapid population increase with high birth rates and low death rates due to the medical advancements

nexus9112 [7]2 years ago

6 0

Answer:

B. It would lead to rapid population increase with high birthrates and lower death rates.

Explanation:

Technology will increase birth rate and decrease death rate. Advancement in medical care allows better prenatal care, facilitates intensive care for children born with critical diseases, improved medications and baby food is also critical in saving the life of babies born. Also several vaccinations are available to prevent children from succumbing to life threatening diseases. In vitro fertilization is facilitating birth rates.

Additionally, better healthcare facilities are available at old age such as stem cell therapy, early diagnosis of cancer, treatment for Alzheimer’s and more.

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Which equation represents a conservation of atoms? Group of answer choices LaTeX: 4Fe\:+3O_2\:\longrightarrow\:2Fe_2O_3 4 F e +

slamgirl [31]

Answer : The equation represents a conservation of atoms is:

$4Fe+3O_2\rightarrow 2Fe_2O_3$

Explanation :

Law of conservation of matter : It states that matter can neither be created nor be destroyed but it can only be transformed from one form to another form.

The balanced chemical reaction always follow the law of conservation of matter.

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

(1) The given chemical reaction is,

$4Fe+3O_2\rightarrow 2Fe_2O_3$

This reaction is a balanced chemical reaction in which number of atoms of iron and oxygen are equal on the both side of the reaction. So, this reaction obey the law of conservation of matter.

(2) The given chemical reaction is,

$2Fe+2O_2\rightarrow 2Fe_2O_3$

This reaction is an unbalanced chemical reaction in which number of atoms of iron and oxygen are not equal on the both side of the reaction. So, this reaction does not obey the law of conservation of matter.

(3) The given chemical reaction is,

$4Fe+2O_2\rightarrow 2Fe_2O_3$

This reaction is an unbalanced chemical reaction in which number of atoms of oxygen are not equal on the both side of the reaction. So, this reaction does not obey the law of conservation of matter.

Hence, the equation represents a conservation of atoms is:

$4Fe+3O_2\rightarrow 2Fe_2O_3$

3 0

2 years ago

Identify four techniques that take advantage of different physical

Neko [114]

Shii ion even knowwww

3 0

2 years ago

plz answer fast Which is not a crystalline allotrope of carbon? Select one: a. soot b. diamond c. graphite

Norma-Jean [14]

Answer:

graphite

Explanation:

Graphite is opaque, a very good lubricant, a good conductor of electricity, and a thermal insulator. Allotropes of carbon are not limited to diamond and graphite, but also include buckyballs (fullerenes), amorphous carbon, glassy carbon, carbon nanofoam, nanotubes, and others.

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8 0

2 years ago

The electrolyte magnesium chloride (MgCl2) will break up into how many individual particles in water (what is the i value)?

Masja [62]

Answer:

Solid magnesium chloride is a non-conductor of electricity because the ions aren't free to move. However, it undergoes electrolysis when the ions become free on melting. Magnesium chloride dissolves in water to give a faintly acidic solution (pH = or 6).

3 0

3 years ago

I need help please I dont understand this

Snezhnost [94]

Answer:

Explanation:

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6 0

3 years ago

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