Answer: b
Explanation:
forming a waterproof covering on feathers, leaves, and fruit.
The carpals belong to appendicular skeletal system
Answer:
Cells are so little, so they can maximize their ratio of surface area to volume.
Explanation:
Smaller cells have a higher ratio which allows more molecules and ions to move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.
You can infer there is a big population of sierra leone
As of 2013 the population of sierra leone is 6.092 million and is increasing.