Answer:
Fraction-of-occurrences of 115In isotope 
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
------(1)
As we know sum of fraction-of-occurrences of two constituents isotopes is equal to one.
---------(2)
Substituting the given values in equation 1, we get

Substituting this value in equation 2 we get -

The answer top the question given above is letter c. Surface currents.
There are two types of ocean currents, surface current and deep currents.
Surface currents which are caused by winds,move warm water
away from the equator and cool water away from the poles. Deep currents on the other hand are driven by differences in water density.
Answer:
of worms can survive living near underwater valcano vents then life can thrive in hot evoroments because worms are indicators of life
<span>It allows us to easily locate the data and use it.It will make it easier to find and correctly identify your files, prevent version control problems when working on files collaboratively.organising will help the users to read the big data in simple and understandable manner.</span>
Cambodia is among the most poorest country economically and socially
The disadvantages of development in places like Cambodia because
<span> People living in poverty often lose their homes for the sake of developmenten
</span>because people loses their home and get even more poorer and loses their last wealth which is their homes
so i conclude correct option is B
hope it helps