Explanation :
(1) Involuntary muscles are the muscles that are not controlled by our will.
(2) Tendons are the connective tissues that join the muscle to bones. Tendons are tissues that have fibers.
(3) Cardiac muscle is also involuntary muscles. For example heart muscle. It shows contraction and relaxation throughout life.
(4) Voluntary muscle is the muscles that are not controlled by our will.
(5) Biceps are the arm muscles.
Hence, this the required explanation as per options.
All of the above
i hope this helps !
Answer:
4.9N
Explanation:
The formula for weight is F = ma.
You plug in the mass of 0.5kg and an acceleration of 9.8 to get
F = (0.5)(9.8)
F = 4.9N
Answer:
the ratio is
Explanation:
Given
The RMS velocity of molecules in a gas is given by
where T=temperature
For T = 387K
For T = 774
dividing eqn 1 and eqn 2
Thus,the ratio is
C
Greenhouse effect is the warming of planet due to greenhouse gases in the atmosphere trapping infrared radiation reflecting from the earth's surface.
Explanation:
The earth has a natural greenhouse effect that comes from natural events like volcanos the spew gases such as carbon dioxide into the atmosphere. Even wildlife and bacteria produce carbon dioxide and methane from respiration. These greenhouse gases maintain are relatively safe greenhouse effect that keeps the planet warm. Without the greenhouse effect, the earth’s average temperatures would be -18 degrees centigrade. The greenhouse gases are regulated by uptake b carbon sinks like forests.
However, humans have exacerbated this greenhouse effect by spewing more carbon dioxide in the atmosphere(more than it is taken up by processes like photosynthesis) hence increasing the greenhouse effect responsible for increasing global temperatures.
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