Answer:
<em>I was buying some shoes. And you?</em>
This is common in spoken English, though not technically correct. You could say: <em>I was buying some shoes. What were you doing?</em>
or something of the sort...
Explanation:
hope this helps :)
Mark seems like a trustworthy and reliable man
The principal difference, however, between photosynthesis and respiration is that photosynthesis utilizes carbon dioxide and water in the presence of light to produce glucose and oxygen, whereas respiration uses oxygen and glucose to power the activities of the cell.
hi
