Answer:
One strength of the model is that it clearly shows which gases are taken in and which gases are released for exhalation.
Explanation:
PLATO answer
Answer:
because they are always doing the same thing
Answer:
7 followed by 27 zeros
Explanation:
The body of an adult man weighing 70 kg is made up of approximately 6.7 • 10 ^ 27 atoms.
The body of an adult male contains approximately 57% water, but if we look by weight, hydrogen is only 11%, while if we look at the mutual ratio of atoms in water, there are a total of 67% hydrogen atoms.
In this way, most of the weight (mass) of the human body comes from oxygen, but most of the atoms in the body are hydrogen.
Answer:
Antibiotic resistance is a consequence of evolution via natural selection.
Explanation:
The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this traits to their offspring which will be fully resistant generation
vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
