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3 years ago

If you were to take a trip around the surface of one of the planets,

1 answer:

7 0

The time taken to take a trip around a planet depends on its size. Since Venus has almost the same size as the earth, it would take you about the same amount of time to take a trip round Venus as a trip around the Earth.

The solar system is composed of the planets; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto.

All these planets move round the sun in their orbits. The planets vary in size.

However, Venus(7,926 miles) has almost the same size as the earth(7,521 miles).

The period of Venus is 243 earth days while the period of the earth is 365 earth days.

Hence, it would take you about the same amount of time to take a trip round Venus as a trip around the Earth.

Learn more: brainly.com/question/12075871

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A compound has an empirical formula of C2H5. What is true about this empirical formula?

Anni [7]

Answer:

B. It shows the ratio of elements in the compound.

Explanation:

Empirical formula tells about the ration of the elements found in the compound . The ratio are in complete number .

For example the molecular formula of glucose is C₆ H₁₂O₆

Its empirical formula = CH₂O

7 0

4 years ago

For each of the following compounds, state whether it is ionic or covalent, and if it is ionic, write the symbols for the ions i

kupik [55]

Answer :

Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.

The covalent compound are usually formed when two non-metals react.

Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.

All the polyatomic ions always form an ionic compound.

Polyatomic ions : It is a charged species that composed of two or more atoms and these charged species are bonded by the covalent bond.

For the given options:

Option A: $KClO_4$

This compound is formed by the combination of potassium, $K^+$ which is a metal and $ClO_4^-$ ion which is a polyatomic ion. Thus, it will form an ionic compound.

Option B: $Mg(C_2H_3O_2)_2$

This compound is formed by the combination of magnesium, $Mg^{2+}$ which is a metal and $C_2H_3O_2^{-}$ ion which is a polyatomic ion. Thus, it will form an ionic compound.

Option C: $H_2S$

Hydrogen and sulfur, both are non-metals and they will form a covalent compound.

Option D: $Ag_2S$

This compound is formed by the combination of silver, $Ag^{+}$ which is a metal and sulfur, $S^{2-}$ which is a non-metal. Thus, it will form an ionic compound.

Option E: $N_2Cl_4$

Nitrogen and chlorine, both are non-metals and they will form a covalent compound.

Option F: $Co(NO_3)_2$

This compound is formed by the combination of cobalt, $Co^{2+}$ which is a metal and $NO_3^{-}$ ion which is a polyatomic ion. Thus, it will form an ionic compound.

6 0

3 years ago

First to answer right gets Brainiest!!!!!!

Elanso [62]

Answer:

1) Tetanus is a potentially fatal bacterial infection that affects the nerves

2)Tetanus causes painful muscle contractions, particularly in the jaw and neck. It can interfere with the ability to breathe, eventually causing death.

3) infants and the elderly are most likely but every one can get it.

4) The tetanus vaccine is made by taking the tetanus toxin and inactivating it with a chemical. The inactivated toxin is called a "toxoid." Once injected, the toxoid elicits an immune response against the toxin

5) Tetanus antiserum was developed in 1890, with its protective effects lasting a few weeks. The tetanus toxoid vaccine was developed in 1924, and came into common use for soldiers in World War II.

6)CDC recommends tetanus vaccination for all babies and children, preteens and teens, and adults

7) After the initial tetanus series, booster shots are recommended every 10 years.

8)help your immune system protect against these infections

9)Reported tetanus cases have declined more than 95%, and deaths from tetanus have declined more than 99% in the United States since 1947.

10) although the tetanus vaccine can be a very rare cause of a short-lived allergic reaction called "anaphylaxis," the tetanus vaccine does not cause death so the benefits outweigh.

11)They are most commonly found in animal manure and contaminated soil, but may exist virtually anywhere.

7 0

3 years ago

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Marissa is adding numbers in her head. Which part of her brain is she using? 1.cerebrum 2.cerebellum 3.brain stem

inn [45]

Cerebrum is the part of the brain that we use for imagination, thinking, judgement etc. It is also the largest part of the brain

Cerebellum is in charge of stuff like the spinal cord

and the brain stem is the part of the brain that helps us move. (if you watch the walking dead in one of the episodes it teaches this xD)

hope this helped (:

6 0

3 years ago

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In an ecosystem

Tamiku [17]

both

Explanation:

an ecosystem is the environment they live in which includes other living things

4 0

3 years ago

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