Answer:
When conducting an investigation using live animals ,we should ensure proper treatment of the animals .
They should be treated with utmost care and attention and the evidences should be carefully observed and taken note of.
We should ensure we maintain a proper hygiene and wash our hands after the careful analysis
Answer:
<em>I assumed this question was a fill in the blank. :-)</em>
- Hypertonic
- Greater
Farming
Deforestation
Burning fossil fuels