Answer:
Bacteria alike spores come in hand to hand; meaning one can cause the other if not treated properly and in time. Perhaps washing hands with soap for 20 seconds, when coughing cover cough into your elbow and avoid sneezing into the open air; use tissue to hold your sneeze.
Answer: Stage M (Mitosis).
Explanation: The root tip is a meristem and this means that the root tip is responsible for the root growth. To do that, root tip cells divides actively to form root tissues, so that if we look an onion root tip under the microscope, the majority of cells will be in division, called mitosis, or Stage M of the cell cycle.
Reduce carbon dioxide emissions, pollution, and deforestation
reuse materials rather than throwing them away and needing to create more
recycle materials like metals, paper, and plastics
replace non-biodegradable materials with biodegradable
To protect the researcher and to maintain the integrity of the experiment.