Which area of rivers and streams will most likely have the least biodiversity? A)
the source
B)
the mouth
C)
the middle portion
D)
none of the above

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

Which material is commonly used as a culture medium for living cells

Is genetic diversity the same as genetic variation?