A soap manufacturer wants to prove that their detergent works better to remove tough stains. To conduct a valid experiment, what should be the
control group?
Your answer

Please help

An exact same stain but with no detergents or other chemicals added to it.

Explanation: A control group is defined as the group in the experiment that does NOT recueve any treatment by the researchers this shows that the control group should not have any detergent or anything else added to help get rid of the stain

prophase: we can observe the chromosomes to coil up and condense. they become visible. nuclear membrane and envelope disintigrate.s

metaphase: chromosomes align at the center, the metaphase plate. spindle fibers attach to centromeres of the sister chromatids. they meet at kinetochores.

anaphase: sister chromatids are pulled towards each opposing centromere, set on different poles.

telophase: chromosomes are now clustered up only on either sides of the cell. nuclear membranes reform, and a new cell wall forms along the cell plate. this will lead to cytokinesis, the process that divides the cell membrane and forms the cell wall.

feral cats are estimated to eat tens of millions of native animals each night in australia