A microscope is an instrument which makes an object appear bigger than it is. It took the invention of this relatively simple tool to lead to the discovery of cells<span>. In the 1660s, Robert Hooke began using microscopes to look at all sorts of materials. Anton van Leeuwenhoek took up similar work in the 1670s.</span>
Answer:
<u>Depending upon the mass of various bodies and the gap between them, such as planets, satellites, etc., there appears a pulling effect between these massive masses. This pulling effect is known as gravitational force. One can establish the relationship of the orbital period by equating the gravitational force with centripetal force and substituting the velocity relation with the period.</u>
Explanation:
<h3>I hope this helps!</h3>
The answer would be letter C
Nervous system is the body system that is involved in coordinating and controlling body movements
The small intestines have microvilli in the lining which help to increase the surface area of the small intestines and help to absorb nutrients.
