Research has shown that air pollutants from fossil fuel use make clouds reflect more of the surfs rays back into space. This leads to an effect known as global dimming whereby less, heat and energy I reaches the earth. At first, it sounds like in ironic savior to climate change problems. However, it is believed that global dimming caused the droughts in Ethiopia in the 1970s and 80s where millions died. because the northern hemisphere oceans were not warm enough to allow rain formation Global dimming is also hiding the true power of global warming. By cleaning up global dimming-causing pollutants without tackling greenhouse gas emissions, rapid warning has been observed and various human health and ecological disasters have resulted, as witnessed during the European heat wave in 2003, which saw thousands of people die What could be the appropriate title for the passage?

1.The ratio of the number of freshmen to sophomores to juniors to seniors on a College football team is 4:7:6:8. What percent of the team ar sophomores?

Bangladesh University of Professionals (BUP) · 2016

2.What is the cost in taka to put tiles in a room of x yards long and y yards wide, if the tile costs 10 taka per square foot?

Bangladesh University of Professionals (BUP) · 2016

3.If joe is now x years old and Marie is 6 years older than joe, which of the following gives Marie's age 8 years ago?

Bangladesh University of Professionals (BUP) · 2016

4.How many meters of fencing are needed to enclose a circular flower bed the radius of which is 7 meters?

Bangladesh University of Professionals (BUP) · 2016

5.if the average of p and q is 7 and r=13, what is the average of p,q and r ?

Bangladesh University of Professionals (BUP) · 2016

6.8% of 0.06= ?

Bangladesh University of Professionals (BUP) · 2016

7.How many prime numbers are there between 45 and 72?

Bangladesh University of Professionals (BUP) · 2016

8.if x = -1 then ( x$^4$ +x$^3$ +x$^2$ ) = ?

Bangladesh University of Professionals (BUP) · 2016

9.A trader incurs a loss of 10% from selling an item. If the selling price was Tk. 200 more, he would have made a profit of 15%. What was the cost of the item?

Bangladesh University of Professionals (BUP) · 2016

10.If the price of an item increases from Tk. 5 to Tk. 8 , the old price is what % of the new price?

Bangladesh University of Professionals (BUP) · 2016

11.Three years back, a father was 24 years older than his son. at present the father is 5 $\times as old as the$ son. How old will the son be three years from now?

Bangladesh University of Professionals (BUP) · 2016

12.In a certain group, 12 of the children average are age 10 and eight are age 15 . What is the average of the ages of all the children in the group?

Bangladesh University of Professionals (BUP) · 2016