Do you weigh less on earth then a spaceship warming 800 clement about the earth

What is one way in which a discovery that is made by using cell technology could change existing scientific knowledge? a. a discovery could lead to a change in experimental methods. b. a discovery could lead to a replacement of a scientific theory. c. a discovery could lead to a new brand of cell culture medium. d. a discovery could lead to a new material for culture flasks.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor