Answer: four criteria to establish a causative relationship between a microbe and a diseases
Explanation:
1- "Bacteria must be present in every case of diseases"
2- "Bacteria must be isolated from the host with the diseases and grown in pure culture"
3- "The specific diseases must be reproduced when a pure culture of bacteria is inoculated into a healthy susceptible host"
4-"Bacteria must be recovered from the experimentally infected host"
Answer:
D
Explanation:
These are all steps of translation or protein synthesis
The water cycle is a physical phenomenon. simply water is evaporated from the environment or from the surface of plants by transpiration. mainly the carbon cycle is meditated by photosynthesis and respiration by organisms
Answer:
the upper layer of the Earth's mantle
Explanation:
Not the ocean, impossible to be in top of the core, not in the air
