Может ли кислород существовать в природе в виде отдельных атомов?

все профессий с работам  равенствуйте!!!!!

a сlerk               helps people buy and sell buildings and land 

an architect      wears    and shows new fashions

a disc jockey     does general office work    

a geologist            decides cases in  a court law   

a judge                introduces  music  and songs on the radio 

a model                 designs and draws plans for new buildings

a civil servant     studies rocks,soil,mountains

a    realtor                  works for the government

Помогите перевести!!!

1. What do you or don't you like about shopping? What are the advantages of shopping online?
2. Which of the items on the left have you bought online? Why?
3. Which of those items would yuo not buy online,and why? Give three reasons why some people prefer not to buy goods and services online.

в арифметической прогрессии а1 = -5, d =4. найти сумму первых восемнадцати членов этой прогрессии