Food kept in refrigerator stays fresh much longer but once the food is taken out , it again spoils after some time from this we can conclude that _.

Environmental differences within ecosystems are generally caused by

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.