Which sentence is a run-on sentence?
o a. sarah, ben's other daughter, was not interested in hiking so she stayed home.
ob. although izzy was young, she had been on many hikes with her dad.
o c. ben wanted to make sure izzy was prepared to hike; therefore, he taught her hiking safety.
od. ben and izzy both enjoyed hiking, so they went hiking together often.
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The shift of a vehicle's weight around its center of gravity is known as

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

How do adaptation affect a species?