The alignment of iron minerals in rocks when they are formed reflects the fact that Earth's has reversed itself several times in the past

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Select the word from the list that best fits the definition a system made of 25 satellites

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.