I think that the best answer is first one:
a) Trace the path that the sound waves travel as they enter the ear and proceed to the receptor cells for hearing, making sure to explain the process of transduction.
First
Crude oil is piped from an underground reserve to the surface.
Crude oil is transported to a refinery by pipeline or tanker
crude oil is refined to make gasoline and other products.
Gasoline is transported by tanker truck to a gas station
Gasoline is pumped into a car‘s gas tank.
Answer:
brown bear
Explanation:
Brown bears have long, intimidating claws. However, since they are not retractable, they are relatively blunt and are usually used for digging. These bears are incredibly strong, able to break the necks of many large prey with one powerful blow. Their thick fur and layer of fat help to insulate them against the extreme cold temperatures of their habitat.
There may be many forms of a single gene. Each such form is called an allele