The first stage of photosynthesis produces and

hydrogen
carbon dioxide
glucose
oxygen
nitrogen
water

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

What type of context clue you understand the meaning of  quandary?

How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol