Answer:
velocity = distance / time taken
= 200/4
= 50 m/s
is the correct answer
Explanation :
The full form of laser is Light Amplification by Stimulated Emission of Radiation. It has particles of very high energy. It points in one direction.
Greg is giving a slide show presentation to a large audience. It is very important to make the presentation informative. By using a laser, we can focus on the important part of the presentation. So that we can highlight the important points.
Answer:
evaporation
Explanation:
without 4he evaporation it can even start the cycsl
<span>Dalton improved the atomic theory by establishing that elements are made of atoms & that all atoms of an element are identical.</span>
Iron is the best conductor in this group.
