In 1858 rudolf virchow recognized that cells originate from other cells. his observations support which of the following natural ales that was also established around the same time?

a- spontaneous generation
b- evolution
c- gravity
d- biogenesis

What is the meaning of the statement that all is vanity or meaningless? use full sentences

Which phrase best completes the diagram? apex

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution