Answer:
Risk factors at work in general:
- Mechanics: falling objects
- Physical: high temperatures and noise.
- Environmental: earthquakes
- Chemicals: toxic substances such as lead
- Biological: hospital contamination
- Ergonomics: bad posture
- Psychosocial: relational conflicts
Answer:
a. dilation stage
Explanation:
Dilation stage -
The phase in the pregnancy ,
Cervix is present in the bottom portion of the uterus , this area opens when the women delivers a baby via vagina , is called the process of cervical dilation .
During the process of labor , the cervix opens up to release the head of the baby , which opens up to 10 centimeters , and the process is done automatically in most of the cases .
Answer:
In this protein supplement there are 11 grams of protein which contribute with 44 kcalories. Therefore, the percentage of kcalories coming from protein in this particular supplement is 28,5 %.
Explanation:
Each gram of protein contributes 4 kcal (calories), so 11 grams of proteins x 4 kcal/gram = 44 kcal.
The total amount of kcalories is 154, so 44 kcal / 154 kcal x 100 = 28,5%.
When it comes to protein supplements is very important to realise how many proteins are being consumed and how many total calories this supplement has, for the simple reason that it might be not help to reach the protein goal for a particular individual, but instead, it might be providing too many calories that come from non-protein compounds.
Answer:
You don't, because it's false. If all black dots happen to be on the line y=0 and white dots on the line y=π (and the rest of the plane is neither white nor black), there is no such pair.
Now if each point of the plane were either black or white (and there were infinitely many of each type), that would be different. In fact, it is sufficient to have at least one of each color.
Why? Pick any two points A and B that have different colors. Starting at A , we can reach B using a finite number of steps, each of length exactly 1: just go directly towards B until the distance becomes less than 1, and at the end, if we didn't reach B exactly, we make two steps "to the side and back" to reach it. (Formally, if you are currently at C , imagine circles with radius 1 centered at B and C . Pick one of their two intersections, go from C to that intersection and from there to B .)
As the first and the last point on this path have opposite colors, there has to be a pair of consecutive points with opposite colors, q.e.d.
(Alternately, you could prove the new statement by contradiction. Pick any black point. All points in distance 1 from that point have to be black. This is the circle with radius 1. All points in distance 1 from those points have to be black as well. Here we can observe that the set of all points known to be black at this moment is the entire disc of radius 2 centered where we started. Continuing this argument, we can now grow the black disc indefinitely and thus prove that the entire plane has to be black, which is the contradiction we seek. Of course, this is basically the same proof as above, just seen from a different point of view.)
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