Answer:
Explanation:
We can easily move the box from a ground floor though to the first floor at an angle of 40° to the horizontal by simply pushing the load through an inclined plane. We will simply be lean the inclined plane on the building at the required angle and the push through the the height of the building.
Based on the explanation above, the best type of simple machine to use is an INCLINED PLANE. <em>Note that the essence of using a machine is simply to make our work easier and faster and also be able to overcome a much larger load with a minimal effort. </em>
B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
The answer is cotton. It is natural because it is grown and easily woven in to clothes :)
The levels of an environment to be organized are populations,species,community,and the ecosystem
