Question

respond to the situation below appropriately using the modal verbs CAN or COULD.
the sentences are:
1:You have just bought a dress. Ask a assistant for a receipt
2:You are busy with something. You want your friend to wait for sometime.
3:you want to borrow a book from a friend. Request permission from your teacher.

Answer 1

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities