Scientists use several methods to determine the proximity between species. Two of those methods may be an anatomical comparison, by examining the skeleton structure of two species, and DNA composition comparison, by comparison of genes, or specific parts of the DNA, that allow establishing the relative distance between species.
<span>It is very important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate because most copper hydroxide can slowly turn from blue to black due to the formation of copper(II) oxide. If you do not wash the cupric hydroxide then the precipitate will be very difficult to filter out the solution.</span>
The correct answer is - 115.
The elevation for the spot marked with the letter X is 115. The reason for that is that the X is on place where the landscape starts to go downwards, thus the elevation is lowering, not increasing like the contour lines prior to it. The contour lines that are in the middle of the picture, where the X and the A markings are, are special contour lines, that have special markings on them, that show us that the landscape is going downwards, not upwards. That can be seen from the little inward lines attached to the contour lines.
Since the highest elevation next to the X is 125 feet, and the X is just bellow the contour line that marks the downfall of the landscape, it will be on approximately 115 feet of elevation.
Answer:
c. 20.
Explanation:
The answer is 20 because on 20 days, 7 colonies of Micro Yo occurs. The data of bacterial growth indicates that population of bacteria increases with the passage of time. This increase occurs due to good environmental conditions for bacteria that allows it to grow and increase their population. So we can say that the growth graph moves in the upward direction with the passage of time or number of days.
