Answer: Plants do both photosynthesis and cellular respiration.
Explanation:
All cells do cellular respiration even without light.
Honestly, photosynthesis alone would be right since the teacher didnt state the questions correctly. But you should choose both cause in the light it does both.
The answer is; D
Carbon dioxide and methane are potent greenhouse gases. They cause heating of the lower atmosphere, by trapping sunlight, that results to climate change. Due to the higher melting and boiling temperatures of phosphorus, it is rare that it occurs as gas in room temperatures. Phosphorus, therefore, does not pose a great threat of climate change.
Answer:
Mammals first appeared
Explanation:
The dinosaurs became extinct one million years after the Cenozoic era started. The mammals first appeared as the modern culture first appeared in that era.
Answer:
Humans cannot occupy the lowest levels.
Explanation:
Peptide bonds link amino acids together to form polypeptide chains