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zzz [600]
3 years ago
8

What defines our current 'standard' for one meter?

Biology
2 answers:
Elza [17]3 years ago
7 0

Answer:

one meter is a little bigger than 3 feet

Explanation:

Temka [501]3 years ago
5 0

Answer:

Obe metre is the distance travelled by light in 1/299792458 of a second

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The structure shown in the inset (right) show the level of organization called
pochemuha
Animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function
8 0
3 years ago
As habitats change, populations of northern pine trees that were once separated can now exchange pollen. This exchange of genes
Simora [160]

Answer:

Gene flow

Explanation:

Evolution is the changes seen in the growth, development, features of a certain group of species during the cause of time. Evolution causes changes in the gene frequency of species from one generation to the next generation.

There are 5 important mechanisms of evolution and they are: Gene flow, mutation, genetic drift, natural selection and non random mating.

Gene flow as a mechanism of evolution is the exchange or transfer of genes between a group of species as they move from one place to another. Gene flow can either increase the rate of evolution or decrease it.

6 0
3 years ago
g Indium has two naturally occurring isotopes: 113In with an atomic weight of 112.904 amu, and 115In with an atomic weight of 11
aleksandrvk [35]

Answer:

Fraction-of-occurrences of 115In isotope = 0.957

Explanation:

As we know  weight of 113 In  isotope is equal to the sum of product of fraction-of-occurrences of two constituents isotopes and their atomic weight

^{115}In_w = f_{113}*A_{113} + f_{115}*A_{115} ------(1)

As we know sum of fraction-of-occurrences of two constituents isotopes is equal to one.

f_{113} + f_{115} = 1\\f_{113} = 1- f_{115}---------(2)

Substituting the given values in equation 1, we get

^{115}In_w = f_{113}*A_{113} + f_{115}*A_{115}\\114.818 = (1 - f_{115}) * 112.904 + f_{115} * 114.904\\f_{115} = 0.957

Substituting this value in equation 2 we get -

f_{113} = 1- f_{115}\\f_{113} =  1- 0.957 \\f_{113} = 0.043

7 0
4 years ago
Which of the following statements is true about atoms?
murzikaleks [220]

Answer:

Atoms are made of the same type of parts,but the sizes change

Explanation:

5 0
3 years ago
Two strands of DNA is produced during replication are copies of each other because each strand in double helix is _____.
wlad13 [49]
Answer:
            The correct option is b (complementary).
3 0
3 years ago
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