Speed = frequency x wavelength
100 x 0.2 = 20
Answer:
Earthquakes often cause damaging fires because they rupture gas lines and down power lines. This combination creates the fuel and ignition sources...
Explanation:
Answer:
Correct option is D. (All of the above)
Explanation:
Consequences of obesity, and overweight increase the risk of lots of health problems such as heart disease, diabetes, high blood pressure, and sometimes death as well.
Overweight occurs when a human body mass index is more than 25. It is caused by the taking more calories than are burned by everyday activities or exercise.
Answer:C
Explanation:Vegetables do not contain much greenhouse gases because a vegetarians diet does not contain red meats which contain high greenhouse gases.