What is the nature of chromosomes that align themselves on the metaphase plate in metaphase i?
a. pair of sister chromatids facing opposite poles
b. pair of nonsister chromatids facing opposite poles
c. pair of tetrads facing opposite poles

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world