I would say that Melissa has made the mistake of using the same uncleaned cutting board first for cutting up chicken which is notorious for forming bacteria quickly when out of the fridge and then chopping vegetables on it thus running the possibility of contaminating the vegetables with chicken bacteria. She should ensure she washes the cutting board carefully with soap and water to avoid contamination of the vegetables.
B. Plant cells have a cell membrane and cell walls for support, but animals cells do not have cell walls
I believe that both the velocity and the pressure difference breathe through a straw necessary for the liquid to rise to the straw's upper point should be calculated.
<h3>Is using a straw to breathe healthy?</h3>
Your body regains its natural balance and your response to stress is reduced with regular practice using a straw. Additionally, it can significantly lessen anxious feelings. Allowing your lungs to fully expand, take a comfortable seat with your back straight. Breathe in deeply and gently through the straw while exhaling thoroughly through your nose.
<h3>Through a straw, how do you breathe?</h3>
Breathing straw Use a drinking straw to conduct a complete exhalation to ensure that all the air has left your lungs. typical breathing (not through the straw). Completely exhale through the straw.
To know more about breathe visit :-
brainly.com/question/3887418
#SPJ4
The answer is d ...the number of organisms an ecosystem can support