Which of the following is false? a. the graduation rate in a city and the rate of unemployment in a city is a positive correlation b. the cost to mail an envelope and the weight of the envelope is a positive correlation c. none, since all of the other answer choices are true d. a child’s age and a child’s shoe size is a positive correlation

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.