Pia spend about eight to ten dollars a week in the grocery for vegetables and fruits. If all amount for the next three weeks would be added it would be twenty-four to thirty dollars. First in order to get the amount per week it would be 20 percent multiply the total amount which is 40 to 50 dollars. Then in order to get the entire expenses for the three weeks on vegetables and fruits you can multiply the amount you get in the first process to three times.
If these substances become dissolved in the water vapour present in the air then acid rain can form. Acid rain can corrode and kill trees (damaging animal habitats) and wear away older buildings such as those made of limestone.
Temperature and Pressure differences. As air gets hotter it expands and therefore loses density, rising up. Cooler air then flows to fill the area the hot air left behind.
