A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The student keeps a cricket in an enclosed box that is heated to different temperatures each day for twelve days. The student records the cricket’s chirps by using a sound-activated microphone so that the timing of the chirps can be measured. The student records the results of the experiment in the table below. Day 1 2 3 4 5 6 7 8 9 10 11 12 Temperature (ºC) 21 22 23 24 25 26 27 28 29 30 31 32 Average time between chirps (sec) 2. 5 2. 6 2. 2 2. 3 2. 0 1. 8 1. 9 1. 8 1. 4 1. 2 1. 5 1. 1 Which conclusion can be made from the data in the table? The higher the temperature, the fewer chirps there will be in 10 seconds. The chirps occur closer together as the temperature increases. The chirps become farther apart as the temperature increases. There is no relationship between temperature and the time between chirps.

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characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

i'd say that the moon rock is about 2.2 billion years old.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."