She was running harder than she usually does, so she worked up a sweat.
Her body needed to burn food more quickly to get energy to run hard.
Her body needed to use more heat energy
Explanation:
yes it's causes to global warming
please save trees
Answer : Option A) He is studying oxygen, which can also be found in proteins.
Explanation : A scientist is examining the role of an element found in fats and carbohydrates of living things. Oxygen is the element which makes up to 65% of human body mass. This is also found in proteins inside the body.
Answer:
C. Only a fraction of energy is passed through each level, so there is less available to upper-level consumers. The energy flow is unbalanced and tends to move toward the lower levels
Explanation:
About 50% of the energy (possibly as much as 90%) in food is lost at each trophic level when an organism is eaten, so it is less efficient to be a higher order consumer than a primary consumer.
