HELP ASAP. PLEASE RN. TY.
In tug of war, when one team moves toward the other, what can be said about the forces?

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?

How do you date a sample of rock that you suspect as being one of the earliest on earth

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?