Answer:
The answer is:
<em><u>the size of an object as compared to another object.</u></em>
Explanation:
Proportion refers to the relative size of parts of a whole (elements within an object). To create a good proportion is imperative the understanding of perspective, and the rule of three points.
Parchment is a material made<span> from processed animal skin and used—mainly in the past—for </span>writing<span> on. Parchment is most commonly </span>made<span> of </span>calfskin<span>,</span>
Answer:
D. All of these
Explanation:
Mark should control (or keep constant) the location of the plants, the amount of water the plants receive daily, and the amount of fertilizer the plants recieve daily. The only variable that should change is the type of fertilizer that is given to each plant.
During a scientific experiment, only variable should be changed by the investigator. All other variables should be kept constant.
Usually birch trees the bark has smoother surface compared to bark like an oak tree.