Answer:I don’t know this one.
Explanation:but it should be a
Marine biologists study changes in the ocean. so they will look at the chemical composition of deep waters and see how consecrated the oxygen is. They will also study the movements of the plates because when planted move it usually makes new food for deep life
they will also check animal concentrations in certain areas.
Another thing they do is track animal movements. this could be by putting a tracker on a whale or a shark or anything and watching its depths it goes or watching the distance it goes in a day.
Answer: All the given symptoms describes Pertussis.
Explanation:
Pertussis can also be defined as whooping cough or 100 day cough. It is respiratory disease which is highly contagious.
it is caused by the bacteria Bordetella pertussis. It is also known to be uncontrollable as this condition does not allows the person to breathe properly.
If recognized at early stage then antimicrobial like erythromycin can be used to treat it. The symptoms of this disease lasts for a long time and is not cured easily. Its initial stage includes cold, cough and running nose, same as common cold.
Filter feeders. over harvesting is occurring in the bay disease and habitat loss.
True. This is true because when you do workouts you enjoy of listen to music you enjoy while working out you'll want to work out longer