Answer:the color explanes it's self old and young
Explanation:
I believe it would be A one will be eliminated
The correct answers are:
b. Human influenza a virus evolves escape variants, resulting in a distinctive cactus-shaped phylogeny.
All types of Human influenza viruses evolve to escape immunity induced by prior infections and vaccinations.
c. Measles experiences strong selection for escape variants, resulting in a phylogeny similar to a nonpathogenic species.
As a result of measles infection, specific antibody and CD4 and CD8 T cell responses are generated and contribute to virus clearance and protection from reinfection.
<h2>Answer:</h2>
The correct options are A,D and E which are plant trees, irrigate dry field and remove dead leaves respectively.
<h3>Explanation:</h3>
- Wind erosion is the creation of big dust storm by small air rolls containing small particles like tillage and small dust particles.
- Plant trees stops the formation of the small air rolls y providing physical resistance.
- Remove dead leaves stops the tillage to contribute in dust storm.
- Irrigate dry field decreases dust in air.
The color of biohazard symbols has identification in the
medical office in which they identify which hazard is placed on the container
such as;
<span>·
</span>Yellow bags – infectious waste, objects
contacted with body fluids or human body parts
<span>·
</span>Red bags – syringes, IV bottles, tubings and
catheters
<span>·
</span>Black bags – sharp materials and blades
<span>·
</span>Blue bags – glass, medicine and bottles
