A compound consisting of b, n, and h undergoes elemental analysis. The % composition by mass is found to be 40. 28% b, 52. 20% n, and 7. 53% h. What is the empirical formula for this molecule? enter in the empirical formula in the form bxnyhz.

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker

Aggregation is the process of all of your data. a. gathering b. analyzing c. collecting d. observing

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation