What was the role of the water test tube in each phase? why do we often use water for this role?

A water bath is laboratory equipment made from a container filled with heated water. It is used ... Markers tend to come off easily in water baths. Use water resistant ones. If application involves liquids that give off fumes, it is recommended to operate water

option a and d is the correct answer

i hope this u

plz mark as the brainliest answer

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.