The answers are stress accumulations and reoccurrence! I hope this helped you and I hope you have a great day! :)
D. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
Answer:
the science of breeding and caring for farm animals.
Explanation:
Bedrock striations. Striations are marks or lines in the bedrock caused through glacial movement
Answer: The virus weakens as time passes.
Explanation: The virus will weaken continuously during transmission, and will reduce its toxicity after several generations of transmission, without causing much harm to the human body.