Question 1
A fishing boat accidentally spills 15 barrels of diesel oil into the ocean. Each barrel contains 42 gallons. If the oil film on the ocean is 2.5 × 10
2 nm thick, how many square meters will the oil slick cover?
◦ 9.5 × 10
-3 m
2◦ 9.5 × 10
7 m
2◦ 9.5 × 10
6 m
2◦ none of these
Question 2
An international group of zookeepers with successful breeding programs made the following animal exchanges last year. Using the same bartering system, how many oryxes can a zoo obtain in exchange for 15 flamingos?
| 3 oryxes = 1 tiger | 2 flamingos = 1 anteater |
| 1 camel = 6 anteaters | 5 lemurs = 1 rhino |
| 1 rhino = 4 monkeys | 3 lemurs = 1 camel |
| 3 monkeys = 1 tiger | 1 rhino = 4 oryxes | |
◦ five oryxes
◦ four oryxes
◦ three oryxes
◦ one oryx
Nitrogenous wastes produced by different animal groups.
A purse made from a cane toad.
The M81 Group
The major events in meiosis in an animal cell
Cytoplasmic Division in Animal Cells