An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
Answer - A. Deep because there is less O2 exchange
Reasoning - Bacteria has been known to only use half a percentage which is .5 percent of O2.
Answer:
Meat, fish and eggs.
Explanation:
Meat, fish and eggs are the foods that do not contain any or less carbohydrate, these foods are high in protein and fats. By looking on the nutrition label for the amounts per serving (in grams) of fiber and total carbohydrates, if there is no or less percentage of carbohydrates so by see the label we can say that whether the food has low or high amount of carbohydrates.
A lot of the energy from photosynthesis flows out as heat.
^answer
When energy is being transported or flowed through the ecosystem most of the heat is lost.
Hope this helps!
I believe it is D, the reason being is because they form on their own, not from a living or dead organism. It can't be B because that is true, and the same for C. hope this helps, have an amazing day :)