Answer:
The answer is the first one.
Explanation:
Because energy can't be created nor destroyed.
Answer:
Light waves can travel with and without mediums.
Explanation:
Light waves are a type of electromagnetic wave. Some of the characteristics (properties) of light waves include;
I. The wavelengths of light range from 400 nm to 700 nm.
II. Light waves are transverse waves.
III. The speed of light is 3 x 10^8 m/s.
<em>Therefore, from the aforementioned characteristics it can be inferred that light waves can travel with and without mediums.</em>
This ultimately implies that, light wave is an electromagnetic wave that do not require a medium of propagation for it to travel through a vacuum of space where no particles exist.
Answer:
c
Explanation:
the pancreas will secrete insulinto stimulate her liver to break down glycogen and
release more glucose into the blood
The neurons communicate in two ways , by electrically and by chemically ! we have chemical communication as the information is transferred to other neuron by the means of neurotransmitters !!
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