Answer:
The correct answer is B.
Explanation:
Asthma is a chronic inflammation of the airway, it consists of inflammation of the bronchi, which are responsible for bringing air to the lungs, producing an obstruction of these, which deals with recurring episodes of bronchial hyperresponsiveness and a variable obstruction to air flow. All these inflammatory changes can happen abruptly (Acute Asthma) or slowly and continuously (Chronic Asthma). When they appear abruptly it is called "crisis" or acute asthmatic attack. Both the acute and chronic forms can be highly variable in terms of intensity or duration; sometimes they yield alone or with special treatments.
Answer: A. 1
Explanation:
This is about the Portuguese explorer Ferdinand Magellan who attempted to find a western route to Asia from Spain. The expedition ran into a lot of problems and almost ended when Magellan himself died in battle whilst fighting natives.
The leadership of the expedition was then taken over by Juan Sebastián Elcano after several others failed to lead effectively and under him, the expedition eventually made it back to Spain with only one ship remaining of the fleet of 5 that had gone out.
