Stomach acid is one of the harshest conditions to live in and the mucus layer is what keeps our stomach from digesting is from the inside because it forms a protective barrier so by living there, they would be protected and not exposed to the acid
Autotrophs, by definition, are organisms that are able to internally manufacture their own food. Autotrophs, also known as producers, are organisms that obtain their energy by converting light energy into chemical energy, via photosynthesis. Photosynthesizing plants are an example of autotrophs.
Heterotrophs, by definition, are organisms that are unable to internally manufacture their own food. Heterotrophs, also known as consumers, are organisms that obtain their energy by consuming other organisms. Humans are an example of heterotrophs.
I think only w and 5 can attract a magnet but not sure
Answer:
I am pretty sure correct me if I am wrong
Explanation:
1. certain foods may raise your cholesterol level causing plaque to build up in your arteries which may end in a heart attack.
2. Poor food choice might raise your blood pressure due to too many sugars or fats that might cause diabetes.