What is pollen? ME
А
a dust that some people are allergic to
B
a sticky yellow powder that plants produce
C
a substance bees use for food
D
all of the above
AB

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

How have the greenhouse gasses increased from the year 2000 to 2018

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds