Answer: 1, 3, 2, 4. The first thing she did in the question is the first she should do when preparing. The second thing she did should be the third. The third thing she did should be the second thing she does. The fourth should be the last.
Explanation: When making a presentation, first one should choose a topic, then research it and write the presentation, then practice, then give it.
Answer:
an emt is an ambulance worker
Explanation: the ambulance saves lives they are a little less taught than a doctor
To calculate the density, we must do 20/5 which is 4, so the answer is 4 g/ml
