Name and draw the lewis dot diagram for CuO

Answer:indirect causes of disease include genetics, lifestyle, and environmental factors

Explanation:

The indirect disease -causing factors include some genetic factors, infections from other persons etc. Thus options A ,C and D are correct.

There are some factors such as infection from other people make us infected also not by directly originating in ourselves. For example, passive smokers may have respiratory disorders.

Some disease can be generated indirectly from the gene types inherited from parents. These may cause imperfect gene coding and some times trigger cancer.

Infections such as flu, cold, different types of fevers, viral and bacterial infection are able to spread and might affect other two-three people.

Therefore, indirect disease -causing factors includes genetic disorders inherited from parents and infections from environment and hence options A, C and D are correct options.

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Answer:

Explanation:

All matter is made up of atoms. ... These shells are actually different energy levels and within the energy levels, the electrons orbit the nucleus of the atom. The ground state of an electron, the energy level it normally occupies, is the state of lowest energy for that electron.

Answer:

This question is incomplete

Explanation:

This question is incomplete because of the absence of the illustration (diagram or figure). However, general understanding of the bone cells can help answer the question.

Bone cells come together to form a connective tissue called bone. The bone is a connective tissue that contains cells and other substances. The bone assists in the storage of minerals, providing of support to the body, protecting internal organs and providing attachment for muscles and tendons. The bone can be either compact or spongy (cancellous). The spongy bone is lighter and less dense than the compact bone. The bone is primarily composed of a mineral called hydroxyapatite (made of calcium and phosphorus) but also contains other minerals (such as magnesium and sodium). Hence, the bone cells are also expected to have high concentration of the minerals of hydroxyapatite (calcium and phosphorus).

The bone cells cannot however comprise a combination of nervous and muscular tissue because a cell is the structural unit of life and cannot as such comprise of a higher structure. Thus, options A, B and C are correct.

Answer:

where is the option I can't see plz give the option first the I try to give answer

Answer:

Carbon 16

Explanation:

Isotope of nitrogen

Explanation:

Radium (atomic number 88) has similar properties to barium and is also in the Group 2 category. However, radium is a radioactive element and is generally under the category of radioisotopes in addition to being an alkaline earth metal, because it is not a stable element.

Answer:

Explanation:

yt

Answer:

129.5994 g/mol

Explanation:

Answer:

C

Explanation:

Answer:

44.8 dm^3

Explanation:

The equation for the fermentation of glucose is;

C6H12O6 -----> 2C2H5OH + 2CO2

This means that two moles of ethanol carbon dioxide are produced.

If 1 mole of gas at STP occupies 22.4 dm^3, then two moles occupies; 22.4 dm^3 × 3 = 44.8 dm^3

Answer:

1. 95.7 ppm

2. 6.67 ppm

Explanation:

Podemos pensar la denominación ppm como partes por millón, es un tipo de unidad que define concentración de solutos en una solución.

ppm = μg/g  o si lo queremos ver en volumen, μg/mL

Quiere decir microgramos de soluto en 1 g de solución o mL de solución.

Ej 1.  En primer lugar convertimos los moles de KNO₃ a gramos

0.00071 mol . 101.1 g/mol = 0.071781 g

Si pasamos los gramos a μg → 0.071781 g . 1000000 μg/ 1g = 71781 μg

Dividimos 71781 μg /750 ml = 95.7 ppm

Ej 2. Convertimos los mg a μg → 4 mg . 1000 μg/ 1 mg = 4000 μg

Ahora dividimos: 4000 μg /600 ml = 6.67 ppm

Answer:

Explanation:

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Answer:

BELOW !!

Explanation:

Chemical energy in food

As the bonds between the atoms in food loosen or break, a chemical reaction takes place, and new compounds are created. The energy produced from this reaction keeps us warm, helps us move, and allows us to grow. Different foods store different amounts of energy.

Answer:

......

Explanation:

Answer:

These three points all lie on the same line. This line could be called 'Line AB', 'Line BA', 'Line AC', 'Line CA', 'Line BC', or 'LineCB' .

Answer:

bro

Explanation:

If the product of the reaction is analyzed and found to contain 0.130 g of nitrogen and 0.370 g of oxygen are N2O5

An element is the simplest form of matter that has a unique set of properties.  Elements cannot be broken down into a simpler substance. Likewise, one element cannot be chemically converted into a different element.

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Answer:

element

Explanation:

Because

Answer:

in left direction

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Answer:

left

Explanation:

the force pulling the object is greater on the left than the right and therefore the object will be pulled to the left

Isotopes are atoms of the same element that have different numbers of neutrons. Protons are positively-charged particles found in the nucleus of an atom.

Electrons are negatively-charged particles found in the outer shell of an atom. The charge on an element is determined by the number of protons and electrons present in the atom.

a.) Li+:  number of protons = 3

Number of electrons = 2

charge of Li+ = +1

b.) Be2+: number of protons = 4

Number of electrons = 2

charge of Be2+ = 2+

c.) C4+: number of protons = 8

Number of electrons = 4

charge of C4+ = 4+

d.) O2-: number of protons = 8

Number of electrons = 10

charge of O2- = -2

e.) N3-: number of protons = 7

Number of electrons = 10

charge of N3- = -3

f.) C4- : number of protons = 4

Number of electrons = 4

charge of C4- = -4

g.) 14C6: The mass number = 14

Atomic number = 6

Number of neutrons = 8

h.) 18O8:  The mass number = 18

Atomic number = 8

Number of neutrons = 10

i.) 19F9:  The mass number = 19

Atomic number = 9

Number of neutrons = 10

j.) 40Ca20:  The mass number =40

Atomic number = 20

Number of neutrons = 20

k.) 37Cl17:  The mass number = 37

Atomic number = 17

Number of neutrons = 20

l.) 238U92:  The mass number = 238

Atomic number = 92

Number of neutrons = 146

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Answer:

dhuqhruhqhuehauhrergre

Explanation:

Hydrogen is the most abundant element in the Universe; helium is second. However, after this, the rank of abundance does not continue to correspond to the atomic number; oxygen has abundance rank 3, but atomic number 8. All others are substantially less common.

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Answer:

“spinoff”

Explanation:

Here is just a sampling of the many “spinoff” technologies, as NASA refers to them, resulting from space research and development that we now use in everyday life.

Answer:

It’s eutrophication

Explanation:

There is no way it can be DEFORESTATION or NON  SUSTAINABLE SPECIES

Non sustainable harvesting has something to do with animals and eutrophication means adding excessive nutrients

Answer:A.

Explanation: I took the test, sorry if this is incorrect

Answer:

Explanation:

1a=group 1 elements(H,Li,Na,K....)

3b=group 3 elements (Sc,Y,La....)

7a=group 17 elements (F,Cl,Br,I....)

Answer:

63.0

Explanation:

on edge

Answer:

The Second Law

Explanation:

Answer:

Chemical

Explanation: