Why must the astrolabe be lined up with north? to measure altitude to measure azimuth to locate polaris to level the instrument

What is the primary function of the nervous system?

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.