A is an organic molecule that consists of C, H, O atoms in a ratio of 1:2:1.

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Which of the following is a testable hypotheses?