Attached you will find a PDF file with all of the answers to your questions.
Her is the indirect object because by is a preparing and article is the object of a preposition. Copy is the direct objects
Hope this helps
im not sure of all of these but heres what i can help with
a-2 c-1
sorry i couldnt be more helpful
During photosynthesis, plants take in carbon dioxide and create oxygen, which is what humans breath. So, when the human breaths in the oxygen, in the process of cellular respiration, we create carbon dioxide and it goes in a cycle.
D it talks about how she was responsible for developing important drugs
