its actually not important to have negative control it needs to be positive control for the water to actually flow!
Answer:
600`
Explanation:
<em>The total magnification of a microscope is obtained by multiplying the magnifying power of the ocular lens and that of the objective lens. </em>
Mathematically.
Total magnification = ocular magnification x objective magnification
In this case, ocular magnification = 40`, objective magnification = 15`
Total magnification of the microscope system = 40 x 15
= 600`
Hence, the microscope system under these conditions would be 600`.
Answer:
I guess B because the term is used to talk about the time cell bursts to release DNA, RNA or other things.
Explanation:
A common way of preventing self- fertilization is to have the pollen shed either before or after the period during ( pollination)
<h2>I hope it's helpful for u..</h2>
this is correct answer......