For the first question, I would say a line graph. And the one about the human heart, I need some more information.
Answer:
B. The mutations were beneficial for each new environment.
Explanation:
the technique of calorymetry is used to determine the energy content of food items.
Answer: <span>Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed.
Hope this helps! :)</span>