list the steps of the scientific method

observation, hypothesis, experiment, conclusion and if your hypothesis is true, report results, if not, try again.

how many amino acids can the human body make? where do we get the other essential amino acids from?

the human body canmake 20amino acids. we get other amino acids from foods we eat daily.

what makes water polar?

the bonding of positivehydrogen and negative oxygen.

what are the four classes of organic macromolecules?

they are carbohydrates,lipids, nucleic acids, and proteins.

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Question	Answer
list the steps of the scientific method	observation, hypothesis, experiment, conclusion and if your hypothesis is true, report results, if not, try again.
how many amino acids can the human body make? where do we get the other essential amino acids from?	the human body canmake 20amino acids. we get other amino acids from foods we eat daily.
what makes water polar?	the bonding of positivehydrogen and negative oxygen.
what are the four classes of organic macromolecules?	they are carbohydrates,lipids, nucleic acids, and proteins.
what measurement system is used in science?	the metric system.