Answer:
The chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production. ... Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.
Answer:
C. Vaccination
Explanation:
vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.
- How do the organisms get energy from the deep-sea vents?
- How are the organisms able to live under the water pressure?
- Are the organisms mostly producers or consumers?
Answer:
True
Explanation:
The crust makes up less than 1% of earths mass.
Answer:
Vascular system - phloem and xylem
Explanation:
The phloem is responsible for translocating nutrient and sugars which are produced by the leaves to areas og the plant that are metabolically activew while the xylem cell wall transport water gom the root to the leaves.
However, a plant may have many xylem tissues extending up to the plant.
