Which of these are waste products of photosynthesis?

Oxygen
Water
Carbon dioxide
ATP

Oxygen

Explanation:

The photosynthesis equation is:

water (H2O) + carbon dioxide (CO2) + sunlight ---> glucose (C6H12O6) + oxygen (02)

The plant uses the glucose as food and to fuel all the plant's cellular activities. The plant does not use oxygen, therefore it is a waste product.

Hope this helps! :)

the oldest known insects are believed to live around 400 millions ago as suggested by the fossil records.   some plants having woody stems also evolved during this time.

after the evolution of insects the first four legged species or the tetrapods evolved in shallow freshwater habitats from the intermediate species approximately 397 million years ago. the tetrapods went on conquering the land giving rise to amphibians, reptiles, mammals and birds.

the major split in tetrapods first occurred 340 million years ago branching off from amphibians.

363 million years ago when the carboniferous period began the insects started roaming on land and taking flights, following which the four limbed tetrapods adapted in the terrestrial habitat.

answer/// wohler;