Answer:
B. Rub a soft rock on a rough surface
Explanation: because the force will cause the other rock to break plz mark brainlyes :P
The Human Development Index (HDI) is a combined statistical comparison or average comparison of education, per capita income indications and life expectancy and is used to rank the countries into tiers or levels of development.
A country with higher HDI score will have higher lifespan of people, higher GDP or per capita income and higher education. Mostly the developed countries will have high HDI.
According to the data available for 2014 the HDI ratings of the countries are: Norway at first position followed by Switzerland, Australia, Germany and Singapore and so on.
True is the answer hope this helps
Well, no.
Chicken pox are contagious, and acne is not. Also you would be very sick if you had chicken pox.
In appearance, I wouldn't go as far and say that they are alike, or similar as Chicken pox spread across the whole body.
Hope this helps!
