<span>1) The main factor that could hinder the forward progress of a message in a bottle in an ocean current is "Great Pacific Garbage Patch." which size is similar to one of Texas. It is a gyre of marine debris particles that contains a huge amount of pelagic plastics, chemical sludge and other debris that currents usually bring.
2) The factor which could aid the movement is the force of a current which would take the bottle and the path of the current that flows in the right direction.According to the statistics of related investigations, this factor seems to be the only one that could could positively aid the movement.<span>
</span></span>
Answer:
- availability of birth control
- migration
- uncertainty about the future
Explanation:
Eastern Europe is a region that has a negative demographic trends. The population is going down, and there isn't a single country of this region that actually has a positive population growth. There are several reasons as to why this is happening. One of the main factors in the migration, as these countries are developing countries and they don't offer high wages and good living conditions, lot of people migrate in Western Europe and North America. Because the economy of these countries is not the best, the people are afraid about their future, so they choose to have one or two children tops, as they are not sure will they be able to afford to have more. The availability of the birth control also had its impact, as the women can be sexually active but not be afraid that they will get pregnant when they don't want to.
Answer : The value of 
is 
.
Explanation :
As we are given 6 right angled triangle in the given figure.
First we have to calculate the value of 
.
Using Pythagoras theorem in triangle 1 :
Now we have to calculate the value of 
.
Using Pythagoras theorem in triangle 2 :
Now we have to calculate the value of 
.
Using Pythagoras theorem in triangle 3 :
Now we have to calculate the value of 
.
Using Pythagoras theorem in triangle 4 :
Now we have to calculate the value of 
.
Using Pythagoras theorem in triangle 5 :
Now we have to calculate the value of .
Using Pythagoras theorem in triangle 6 :
Therefore, the value of is .
A. Belgium, France, and Germany
Hope this helps! :))
