Scientists are creating vaccinations that prevent people from getting bird flu. If the virus mutates, a new vaccine needs to be made. The vaccine needs to be tested, which can be dangerous. It also takes a long time for scientists to know whether the vaccine works.
Vertebral arch is the correct answer
Local climates mean not all crops can be grown year round.
Understanding the six ‘skill related fitness’ components which are : agility, balance, power, how fast you are, your reaction time, and how coordinated you are.
Now. Standing long jump, requires skill in power. Let me explain:
Power is the ability to constrict your muscles as quickly as possible. Power, then, uses strength and speed.
I dont know how many components you are allowed to use, but if its just one, say Power, if its more than one, then power, strength, and speed.
