how can we use the scientific method to make observations, pose questions, develop hypotheses, design and conduct investigations, and analyze data to draw conclusions?

Scientific method is scientific process that is used to find the answers about the questions or observation of a natural phenomenon for experimentation. It involves several steps and processes-

Make an observation - observing the phenomenon or problems,

Ask a question - form a question,

Form a hypothesis - making a possible explanation,

Make a experiment based on the hypothesis - design the investigation to test explanation,

Test the prediction

collecting investigation data,

Analyze the data and

Iterate - find the result or conclusion and required to repeat it with other possible explanation.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.