This began like about 65 million years ago
Answer:
paroxysmal
Explanation:
Pertussis is highly contagious and acute respiratory disease which is caused by bacteria Bordetella pertussis.
The disease has 3 types of stages which are catarrhal stage, paroxysmal stage, and convalescent stage.
<u>The paroxysmal stage of the Pertussis is characterized by the episodes of the coughing with a distinctive sound which is known as whopping during the process of inspiration. </u>
This type of cough gives disease the common name which is called Whooping Cough.
Answer:
Light energy or chemical energy
Explanation:
Light energy or chemical energy support the whole pyramid. Without it, plants/producers would die (they wouldn't be able to photosynthesize or chemo synthesize), leaving the first level consumers with no food, thus leaving the second level consumers with no food, and so on.
Hope this helped!
Statement 3 is the best choice
