Answer:
Is biomass in the rainforest an energy source or energy sink
Explanation:
Gas exchange in humans is the delivery of oxygen lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
Answer:
Limit their fast food intake.
Explanation:
Fast food places have a lot of salt in their food because adding salt, which is a preservative, allows them to store the food supplies longer and save money.
This would be an example of:
C) an insertion mutation.
Notice how the sequence contains the same letters as before, only an A is added to the beginning. Adding extra nucleotides is an example of an insertion mutation, a type of frame-shift also, because the reading frame will be thrown off downstream.