Hello, Please answer these questions I rwally need them by today if anyone can help!!

1. Fill in the blanks below with the correct words to make a true statement:
Photosynthesis is a series of chemical reactions that use energy from the sun to convert water and _____________ into glucose sugar and _____________.

2. Fill in the blanks below with the correct words to make a true statement:

Cellular respiration is a series of chemical reactions that convert the energy in food molecules into energy stored in the molecule _________. Aerobic respiration requires the presence of Oxygen___________ and releases water and _________________ as waste products.

3. In the space below, write at least one complete sentence briefly describing why we need cellular respiration to survive.

Please if you do know the answer to this please replay i really really need them by today... Thank you!