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egoroff_w [7]
2 years ago
6

All of the following will be damaging to the environment except

Chemistry
2 answers:
Umnica [9.8K]2 years ago
3 0
Adding fertilizer to stimulate the aquatic plant growth, and putting research and money into renewable energy
Lelechka [254]2 years ago
3 0

Answer:putting research and money into renewable energy.

Explanation:

Increasing the lead emission is likely to cause pollution in air, water and soil.

Pouring petroleum to steams will also cause steams pollution.

Addition of fertilizers to stimulate plant growth will likely to increase the abundance of toxic chemicals in land and water which will lead to contamination of land and water. All these situations are responsible for damaging the environment.

Putting research and money into renewable energy will not cause damage to the environment. As the energy harnessed by the renewable sources of energy like solar energy, tidal energy, geothermal energy will not produce pollution.

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¿Qué elemento tiene el mismo número de órbitas que el Hidrógeno? ¿Por qué? ¿Tienen propiedades similares, por qué?
Aliun [14]

What element has the same number of orbits as Hydrogen? Why? Do they have similar properties, why?

Answer:

Helium

Explanation:

Helium has the same number of orbitals as hydrogen because they belong to the same period on the periodic table.

Periods are the horizontal arrangement of elements. Elements in the same period are known to have the same number of electronic shell or orbitals.

In period 1 where we have just Hydrogen and Helium, the number of orbitals is 1.

 

For properties of a specie, elements in the same group which are the vertical arrangement of elements have the same properties. Since both Hydrogen and helium are in different groups, their properties differ.

7 0
2 years ago
21. What is happening in terms of energy and attractive/repulsive forces when atoms come together and
muminat

Answer:

So A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.

Explanation:

words to know: covalent bond, electronegativities, and simultaneously

Covalent Bond: A chemical bond formed when electrons are shared between two atoms. Usually each atom contributes one electron to form a pair of electrons that are shared by both atoms.

Electronegativities: the degree to which an element tends to gain electrons and form negative ions in chemical reactions.

Simultaneously: at the same time.

hope this helps!

6 0
2 years ago
a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. when placed in water, the block sinks
Art [367]

 When the block  of iron is  placed  in water  the volume of water that   is  displaced is  27.0  cm³


  <u><em> calculation</em></u>

The  volume water that is displaced is equal to volume of block  of the iron


volume of block of iron = length x width x height

   length= 3 cm

   width = 3  cm

 height = 3 cm

volume  is therefore = 3 cm  x  3 cm x  3  cm = 27  cm³   therefore the volume displaced  = 27 cm³  since the volume of water displaced  is equal to  volume of block.

3 0
2 years ago
Read 2 more answers
For dessert, she prepares to bake a delicious apple pie. During one of the steps, she
Leno4ka [110]

Answer:

heating the sugar

Explanation:

6 0
3 years ago
Read 2 more answers
The chemical formula for magnesium oxide is 2MgO. The number 2 represents the number of ___.
patriot [66]

Answer:

Magnesium oxide molecules

Explanation:

3 0
3 years ago
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