Question

Answer this question​

Answer 1

.No. 6 An element crystallises in bcc lattice with cell edge of 500 pm

. The density of the element is 7.5 g/cm3. How many atoms are

present in 300 g of the element.:

Explanation:

Ok.

Answer 2

Answer:

Effects of Air Pollution

High levels of air pollution can cause an increased risk of heart attack, wheezing, coughing, and breathing problems, and irritation of the eyes, nose, and throat. Air pollution can also cause worsening of existing heart problems, asthma, and other lung complications.