Is it possible that polyploidy occurs in humans? Why or Why not?

1. the community center is putting on a play. there are several things the crew has to create for the scenery. (a) they spent $6.17 on each of 4 poster boards. how much did they spend on poster boards in total? show your work. (b) they spent $200.20 total on new lighting. each of the four lights cost the same amount. how much did they pay per light? show your work. (c) if the total budget was $300, how much more can they spend? show your work.

How much hazardous chemical waste is produced per year in the us? a) 25 million metric tons b) 100 million metric tons c) 250 million metric tons d) 700 million metric tons e) 950 million metric tons

Which of the following characteristics would be more important to an organism adapted for life in a marsh than for an organism adapted for life in a river? tolerance for variable ph tolerance for variable salinity tolerance for variable pressure tolerance for variable water velocity tolerance for variable water availability