Which scientists melted strands of spun glass to create lenses to simulate a microscope? he was the first person to see outlines of cells.

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.

How far away is the nearest black hole from earth?