Identify one possible observation based on the type of reaction or the state of products when magnesium and chloride react.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

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