PHYSICS HIGH SCHOOL

What is a barrier island? A. A ridge of sand that forms between the mainland and an island connecting the island to the mainland B. A long ridge of sediment that forms when a spit closes off a bay C. A narrow bank of sand that projects into the water from a bend in the coastline D. A long ridge of sediment deposited by the longshore current and separated from the mainland

Answers

Answer 1
Answer:

Answer;

D. A long ridge of sediment deposited by the longshore current and separated from the mainland

A barrier island is a long ridge of sediment deposited by the longshore current and separated from the mainland.

Explanation;

  • A barrier island is a long, thin, sandy stretch of land that is oriented parallel to the mainland coast. The barrier island protects the coast from the full force of powerful storm waves.
  • The barrier islands are very important as they protect the mainland from storms and waves. Additionally, they protect tidal lagoons that serve as nurseries for a variety of fish and shellfish.
Answer 2
Answer: the answer is d a long ridge of sediment deposited by the longshore current and seperated from mainland

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All of the following are long-term risks associated with exposure to secondhand smoke EXCEPT:a. increased risk of respiratory illness
b. increased risk of lung cancer
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In what year were cigarette packages made to include 6 warning labels that mentioned the surgeon general

Answers

All of the following are long-term risks associated with exposure to secondhand smoke EXCEPT:

A. increased risk of respiratory illness

B. increased risk of lung cancer

C. change in senses

D. increased risk of cardiovascular disease

This is the Correct Answer.
The answer is D.
Cardiovascular diseases are a result of a sedentary lifestyle and a poor diet. Secondhand smoke is not a risk factor for CV diseases. The other choice except letter D are long term risks associated with exposure to secondhand smoke. A person should stay away from people who are smokers so as not to obtain these possible complications within the body. Air filters in cigarettes are not present in the air which make chemical exposures at a higher level for people who are secondhand smokers compared to smokers themselves.

When measuring current, always place the meter ina. series with the circuit.
c. the highest DC volts position.
b. the highest AC volts position.
d. parallel with the circuit.

Answers

d. parallel with the circuit

Question number 6 :

Is my answer right?? Plzz help

Answers

No.  You have the units wrong.

Example with numbers: 

When you multiply  (1/9) by 2, you get 2/9 .

With units:

When you multiply  (m/s) by (kg), you get (kg-m/s).

A neutral metal comb is held near an object with a negative charge.What happens to the comb?

A. The comb is charged by contact.

B. The comb is charged by friction.

C. The comb is charged by static discharge.

D. The comb is charged by induction.

Answers

D. The comb is charged by induction.

Which term refers to the time interval between the passage of successive wave crests? a. wave height
b. wave period
c. wave speed
d. wavelength

Answers

I believe the correct answer from the choices listed above is option B. The term that refers to the time interval between the passage of successive wave crests would be wave period. It is the time for a particle on a medium to make one complete vibrational cycle. 

If you want to study how energetic waves affect matter, you should study waves with a _______.

Answers

lower frequency ad shorter wave length  is my best guess honestly other wise i suck
I feel like it is Higher frequency and Shorter wavelength...I could be wrong though.
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