Physical activity is helpful for your heart muscle and also strengthens your immune system also good for your lungs and helps maintain your weight <span />
In the above examples, the only one that is not an example of speed is the option:
"6 miles per hour north". A speed doesn't have a direction added to it. If a statement has a direction added to it, it's velocity, not speed. Speed is a scalar quantity. In other words, it is the rate at which the object covers the distance. Speed does not care about direction. It is also not aware of direction. Velocity, on the other hand, is aware of direction and of speed.
Let me give you some that I know
eggs, fish,seafood, milk, pork,
I hope that's help:0
The cycle that is carried out during food chain and energy trophic level is the carbon cycle. The carbon cycle includes the giving off of the carbon dioxide of the organisms which is absorbed by plants through the stomata in aid for photosynthesis or food making. This also includes the energy loss from one organism to another until the eventual decomposition of the animal
