Answer:
latissimus dorsi
Explanation:
it's the largest muscle on your upper body, and doing pull ups helps strengthen it.
Not passing around bacteria to your food nor the people around you
A severely ill person would most likely have a negative nitrogen balance.
Answer:
Food chains make it easier to visualize trophic levels, or how energy moves through the ecosystem. However, in reality, animals can have more than one food source, and the relationships between different organisms are much more complex. This is why webs are considered to be more realistic than simple food chains.
Explanation:
hope this helps :)
