Question

Choose the appropriate answer 1. The composition of , Argon, helium, Neon and Ozone in air togetherly is a. 0.03% b. 0.93% c. 2% d. 1% 1.Aersols are released by a. Industries b. Aeroplanes c. Automobiles d. Fertilisers 3.Chlorosis is plants is called by a. CO pollution b. NO2 pollution c. SO2 pollution d. Soot particles​

Answer 1

Answer:

1.b  2

Explanation:

1. percent of helium in atm.= 0.0005%

percentage of neon in atmosphere=0.0018%

percentage of argon in atmosphere=0.93%

percentage of ozone in atmosphere=0.00006%

total = 0.93236  = [approx =0.93]

2.industries

3.n botany, chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green color of leaves, chlorotic leaves are pale, yellow, or yellow-white.