Answer:
C) II and III only
Explanation:
Option 1 is not an example of phenotypic plasticity because each person is born with their own blood type and this doesn't change based on their environment and behavior.
Option 2 is an example of phenotypic plasticity because a person's red blood cell counts can increase based on their environment, i.e. moving to Denver, CO from Death Valley, CA. The higher elevation and decreased oxygen causes your body to produce more red blood cells.
Option 3 is an example of phenotypic plasticity because one twin can be taller than another because of differing behaviors, environments, etc.
I'm not exactly sure, but i would guess the noble gasses. The reason for this is that the noble gasses are stable. There outer shells are completely full. That means they have the same number of electrons.
I would say Upper Respiratory Infection. other wise known as ( URI )
Biotic and Abiotic factors differ greatly. A biotic factor is any living thing in an ecosystem, such as plants and animals. An abiotic factor is all nonliving things in an ecosystem, such as water, dirt, and rocks.