Answer:
students at the university who speak three or more languages is 2082
Explanation:
given data
students = 31230
random sample = 255
speak three or more languages = 17
solution
we consider here numbers of students at university who speak three or more language = x
so here we will use proportions
= 
........................1
solve it we get
x = 2082
so here students at the university who speak three or more languages is 2082
<span>subsistence farming i believe it might be D though</span>
Answer:
Waves meet the shore and cause the crest to spill over the trough.
Explanation:
This activity creates a back and forth movement of the sand which causes them to settle at a certain area below the water.
Answer:
Certain process that deals with atmospheric emission are given as under.
Explanation:
Atmospheric emission is the root cause of diffusion pollutant gases in the earth's environment. Mostly caused due to the contamination the air by aerosols.
Certain process used to deal with such type of atmospheric emissions. Like
1. Measuring the pollutant content of air.
2. Keeping a check on vehicular emissions.
3. Meeting the set targets or goals set up by the United nations.
4. Proper disposal of wastes and proper solid waste management.
5. Cleaning and purification of rivers on a daily basis.
6. reducing the use of fertilizers, pesticides and insecticides.
7. Controlling the impact of fossil fuels, and banning plastic burning.
8. Reducing global warming and climate change impacts.
