What is the weight of a brick with a mass of 1.6kg

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Along what geographical feature are most of the oil producing regions located