Answer:
scientist has brought together all the research on the subject and found that, from bees to birds to wolves, many animals have an ability to process and represent numbers arguably a form of counting.
Explanation: What's more, the new study suggests that this mathematical prowess helps animals stay alive in a brutal world. Such a finding extends our knowledge of animal cognition, a field that has grown exponentially in recent years.
The correct answer is bulimia.
Bulimia is an eating disorder where a person eats as much food as they can, only to throw up everything they have eaten - they induce themselves to vomit to get rid of all the food they took.
Anorexia doesn't necessarily involve vomiting. Hypertension is high blood pressure. Obesity refers to extremely overweight people.
The answer is Natural Energy i think.
It is energy because to do any kind of work you need energy, to grow energy is pretty important, and etc.
Decomposition - decomposition is something we humans benefit a lot from in agriculture.
Immunity - reffering to the help that bacteria gives us in the immune syste.
Pollution control - reffering to the fact that some bacteria decompose man - made pollutants such as DDT, petroleum, etc.
Symbiosis - reffering to the help some symbiotic bacteria pose to humans by decomposing vitamins B and K.
Hope it helped,
BioTeacher101