Answer:
Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... The wavelength decreases as the light enters the medium and the light wave changes direction.
Roots and stems
Explanation: the cork of mature roots and woody stems is perforatedby nonsuberized pores called lenticels.
2. cells
3. producing offspring
4. biology
5. soil
6. i think obtain energy produce offspring and eat
7. lung
8. healing a broken arm
9. bacteria
10. energy water sunshine and protection
Simple, both guinea pigs have the dominant B traits in them, and the DNA code combines to make the dominant trait the one most present in the offspring.