<span>A. light and radio waves
Light is also known as electromagnetic waves. This is because light is actually both an electric and magnetic field. Though it does not seem like it, light does not contain a charge but rather an </span>oscillating field. You can see this happening in your TV. There is no isolated magnetic charge for electromagnetic waves, so you won't be able to do something like put a magnet on the waves.
Answer:
The answer is: Scientists can tell that punctuated equilibrium occurred if they examine the fossil record and see that one organism rapidly evolved different characteristics.
Explanation:
The theory regarding "punctuated equilibrium" followed after Darwin's Theory of Evolution. According to Darwin, species evolved over time. However, evidence supporting it is lacking when it comes to fossil record. He thought that this was because the fossils were incomplete.
Darwin's idea was contradicted by evolutionary scientists, named <u>Stephen Gould and Niles Eldrege.</u> According to them, species change after millions of years (this phase is called <u>"punctuated"</u>) and their change is sudden (and not gradual). This sudden change is very rapid, thus causing a fewer number of fossils being left behind. Most species who undergo speciation, occur in a different geographic location, thus leaving only a few number of fossils.
So, this explains the answer.
Answer:
Activity and sports during pregnancy should be limited, should avoid exercises with high risk involved
Explanation:
These below mentioned activities are not suggested during 6th to 8th weeks pregnant period, they are as follows
- Holding the breath while exercising may affect both the child as well as the mother, since both the fetus as well as the mother need constant supply of oxygen.
- Avoid twisty motions.
- Maintain the sense of balance and not risking any sort of trauma to the abdomen.
- Avoid the exercise when feel fatigued.
- Exercise to the back side of the body is not suggested during the second trimester.