Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction). Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction.
Answer:
shortness of breath, exercise intolerance, dizziness, chest pain
Explanation:
it blocks blood flow to the heart
Answer:
a-- I would learn new skills, such as time management and communication skills.
As for question number 7 this is how you can be cool take it from someone who has had a personal experience with trying to be cool well for one just be your self and others can accept you for who you are or not accept you but at the end of the day you’re going to be worrying about trying to be cool and the people you tryna be cool for going to still be living there life not worried I pray this helps .
sets are how many times you will do a certain exercise. like bench press you might do three sets by 5 times. so you would do 5 reps thats one set then another 5 reps and thats 2 sets and so on