How would photosynthesis be impacted in the absence of cellular respiration?

oxygen and glucose would not be available to plants.
fewer atp would be produced during photosynthesis.
carbon dioxide and water would not be available to plants.
chlorophyll pigment would not absorb sunlight during photosynthesis.

which of the following is an example of aerobic respiration?

using yeast to make dough
inhaling in humans
plant roots respiring in soil
respiring while swimming underwater

which of the following is a product of anaerobic respiration in muscle tissues?

carbon dioxide
glucose
lactic acid
oxygen