Help meh please

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

Why dose heating increase the speed at which a solution dissolved in water

Why is it important for scientists to replicate each other’s experiments? to determine if important scientific results are repeatable to the research of other scientists to determine if slight alterations in the experiment can affect the result to further their own research