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Nataliya [291]
3 years ago
15

Each chemical element has an atomic number and a mass number. the atomic number refers to the number of ___________________the e

lement has, while the mass number refers to the number of ________________ the element has.
Chemistry
1 answer:
creativ13 [48]3 years ago
5 0
The atomic number tells us the number of protons and electrons.
The atomic mass tells us the weight of the nucleus, which is the amount of protons and neutrons
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If enough changes occur in the gene pool of a species, it is possible that a new species would be created.
lianna [129]

Answer:

Yes

Explanation:

A gene pool is the sum total of all the genes(sum of alleles)of a species and population at any given time is known as gene pool.

The new species are created in nature by four mechanisms such as geographic isolation (allopatric speciation), reproductive isolation (sympatric speciation), mating behaviour (parapatric speciation).

Due to any of these factors when population acquire unique changes in their genes and enough changes have been introduced in the gene pool of the population with time, two population become distinct from each other and not able to interbreed leads to the formation of new species.

6 0
3 years ago
Rank the following measurements in order from least to greatest
Harman [31]
It’s
1.A
2.C
3.B

hope it’s correct
4 0
2 years ago
When you slide a box across the floor what force must your push be stronger than?
weeeeeb [17]
If I remember correctly, the answer is <span>Friction force.</span>
6 0
3 years ago
How many moles are there in 3.612 x 1024 molecules of CaO?
melamori03 [73]

The number of moles in  3.612 x 10²⁴ molecules of CaO is  6 moles.

<h3>Number of moles in the molecules</h3>

The number of moles in  3.612 x 10²⁴ molecules of CaO is calculated as follows;

6.02 x 10²³ molecules = 1 mole

3.612 x 10²⁴ molecules = ?

= (3.612 x 10²⁴ ) / (6.02 x 10²³ )

= 6 moles

Thus, the number of moles in  3.612 x 10²⁴ molecules of CaO is  6 moles.

Learn more about number of moles here: brainly.com/question/15356425

3 0
2 years ago
The combustion of ________ has added great quantities of carbon dioxide to the atmosphere. Group of answer choices
forsale [732]

Answer:

Fossil fuels.

Explanation:

A fossil fuel is a fuel obtained from nature such as crude oil, coal, wood etc. The burning of fossil fuels releases tremendous amounts of carbon IV oxide into the environment causing a myraid of environmental problems paramount among them is global warming with its attendant consequences.

7 0
3 years ago
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