Answer:
Less than
Explanation:
Speed of sound increases with density of the medium. Since wood is less dense than water, the speed of sound is lower in wood.
Answer:
Eat slowly
Explanation:
If you eat slower, you'll chew your food better, which leads to better digestion. Digestion actually starts in the mouth, so the more work you do up there, the less you'll have to do in your stomach. This can help lead to fewer digestive problems. Less stress.
The correct option is C i..e.
change the second medium to get a greater difference than before in the speed of light in the two mediums
Explanation: whenever light goes from one medium to another, kts frequency remains unchanged. It totally depends on tbe refractive index of the medium, which can change the speed of light.
If the refractive index of the entering medium is less than that of the medium from which light came,then the angle will be wider.
Answer:
A) Northern Hemisphere
Explanation:
The Northern Hemisphere includes all of North America, the northern reaches of South America, about two-thirds of Africa, all of Asia excluding (parts of Indonesia) and all of Europe.
Renewable resources are things that can be naturally replaced in a short period of time.
Such as: Wind
Fossil fuels are considered a non-renewable resource because it takes 500 million years for reserves to form.
