Answer:
B
Explanation:
You need Name , Age and Gender
the second requirement should only match the last row where age is 20 and gender is male.
thrid requirement of the query is that its syntax should be correct.
Option B staisfies all of required so it is the correct option.
A way to make the metro system more sustainable is to use machine learning so as to optimize the frequency of train routes using passenger load.
<h3>What is a sustainable transport system?</h3>
This sustainable transport system is known to be a kind of system that aids the basic access and growth needs of the society to be met rightly and safely.
This also should be meant in a way that is consistent with human and ecosystem health, and boast equity in all successive generations.
Other methods are the use of Cooling System to lower temperature and non waste of Energy and also lower the Noise Levels.
learn more about Sustainability from
brainly.com/question/25032305
