A-When the immune system is functioning properly, it can fight off disease-causing organisms including bacteria, viruses, and parasites as well as cancer cells while safeguarding healthy tissue.
Answer: The number of blocks holding up the end of the pan
Explanation: Denise wants to test how a hill's slope can affect erosion. So, the number of blocks holding up the end of the pan should be her variable.
Since the country has a smaller area and a large amount of people (although smaller than Australia) the ratio of land to people in New Zealand is much larger than the ration of land to people in Australia.
Bats were found to have a vocal range of 7 octaves, nearly twice that of humans.
What is vocal range?
Vocal range, in its broadest sense, refers to the entire range of notes that a singer's voice is capable of producing, from the lowest note to the highest note. Range, then, is the difference between the highest and lowest notes a singer is capable of singing.
Three and a third octaves are typical for human vocal range.
Being put into one of these categories merely indicates where your voice is most naturally strong; it does not preclude you from singing other notes. These vocal range categories are bass, baritone, tenor, alto, mezzo-soprano, and soprano, in that order.
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Answer:
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