They show the most important substances as it can show how they reac in a chemical and how they are able to react
I believe the answer is a Parliamentary Monarchy
Answer: The students inserting the zippers
Explanation:
The students inserting the zippers are the focus of this study and the reason for the study is to examine the students' sewing skills.
A variable here is the time it takes each student to complete their individual tasks. The independent variables are the number of students, the tools used, and the task, which is the same. The teacher's observation is a quantitative variable as the results are numerical and statistical functions can be applied to them.
The Battle of Verdun in 1916 was the longest single battle of World War
One the casualties from verdun and the impact the battle had on the
French Army was a primary reason for the British starting the battle of
the somme in July 1916 in an effort to take german pressure off of the
French at verdun. The Battle of Verdun started on February 21st 1916 and
ended on December 16th in 1916. It was to make General Philippe pétain a
hero in France.
<span>Like many Mesoamerican pyramids, each was constructed around a core of rubble held in place by retaining walls. The walls were then faced with adobe bricks, and then covered with limestone. The base of the Pyramid of the Sun measures 730 feet per side, with five stepped terraces reaching a height of some 200 feet.</span>