Answer: face brightness
Explanation:
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The answer is D external hard drive
With this you just have to think about what do different shoes do and why? For example, track shoes need to be extremely light to make it so the runners don't need to move excess weight to accelerate faster whereas basketball shoes can be heavier because they need high ankle coverage for more ankle support during moves like the crossover. Then the key factors that I would do personally are: difficulty to produce, benefit to athlete, cost to athlete, weight, and support. My advice would be to systematically go through a bunch of sports and talk about each of their shoes...
Cloud computing can be broken up into three main services: Software-as-a-Service (SaaS), Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS). These three services make up what Rackspace calls the Cloud Computing Stack, with SaaS on top, PaaS in the middle, and IaaS on the bottom.
Plug equipment into a surge protector because that will take most of the spike of electricity. The plugging everything via USB will be okay if it is connected to a surge protector. Turning off the equipment when not in use will only make the battery live longer if it gets spiked while it is off it will still be messed up. Recharging equipment is only good for when you don't have any power and need to use this certain device. So now that i have gone over all of the options it should be clear that plugging your electronics into a surge protector is best out of all of the options.