The correct answer is (B) (P)coughing; C: saliva; B: complement system
- The physical immune response is coughing where the mucous is expelled out with the dust particles to prevent the harmful dust particles from entering inside the body.
- The chemical immune response is saliva secretion in which various enzymes such as lysozyme.
- The complement system is the biological immune response that requires antigen-antibody complex formation for their action.
The greatest current threat to the loss of the Earth's biodiversity is global warming. This is because when the ice melts, the cold comes down to us and makes us have rainy summers and very early snow and cold springs and cold autumns. And when the ice melts enough, water will start to come down and flood countries and cities, such as Manhattan. Scientists are predicting that California will break away from America.
Answer:
Primary succession because you have to find the resources to be able to produce that succession. Hope that helps!
Answer:
It could require the removal of massive amounts of top soil, leading to erosion, loss of habitat and pollution.
Explanation:
Coal mining causes acid mine drainage, which causes heavy metals to dissolve and seep into ground and surface water.
<span>recombination of alleles through meiosis and fertilization</span>
