The waiter tears the raised part
of the straw wrapper a few inches from either end and he pulls until a piece of
the wrapper is entirely removed. The exposed part of the straw is what is then
placed in the drink, leaving the remaining wrapper for the customer to remove
himself. This will assure the customer that the waiter has not touched the straw
with bare hands. The part of the straw that has remained is called a straw
lace, or a drinking straw sleeve or a strawphylactic.
Answer:
Stream volume and speed directly affects the size, shape, and flow of streams and rivers.
Explanation:
- The greater volume results in larger channels and these larger channels will make the flow of stream faster.
- The flow volume of different streams are related to precipitation and run-off.
- The earth materials also heavily effect the flow by changing the properties of the water like increase in the mass, hardness, shape, etc.
- Erosion and deposition is common in the curving type of stream.
Answer:
The most effective experimental approach to assess the effects of elephant impact on vegetation is to assess plant responses under differences in elephant density. It is important that other factors, such as soils or habitat structure are held constant so that the only factor which varies is elephant density.
Explanation:
source: Studying Elephants icun.org
