Answer:
When people get vaccinated they there will be less change of transfer of communicable diseases
Correct me if I'm wrong but I believe it is the Gravity (or Gravitational Pull) from the Sun.
Increases the carrying capacity for humans in a certain region is better soil for growing food.
<h3>What is Carrying capacity?</h3>
- Carrying capacity may be defined as the maximum number of individuals that can be supported by a habitat.
- Carrying capacity always depends on two factors:
- Food to eat.
- Space to live.
Therefore, the option that most likely increases the carrying capacity for humans in a certain region is better soil for growing food.
<h3>What determines carrying capacity?</h3>
- Food
- habitat
- water
- other necessities
available in the environment determine carrying capacity.
To learn more about Carrying capacity from the given link
brainly.com/question/17095126
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The iris controls the amount of light that enters the eye by opening and closing the pupil. The iris uses muscles to change the size of the pupil. These muscles can control the amount of light entering the eye by making the pupil larger (dilated) or smaller (constricted).