Long-distance runners often describe hitting the wall' towards the end of a race as their bodies run out of quick, usable energy. This causes extreme exhaustion as the body switches over to its stored energy reserves. Which macromolecules are these runners
mostly using at the beginning and end of each race?
A)
Beginning protein: End: lipids
B)
Beginning: lipids, End: protein
Beginning: lipids: End: carbohydrates
D
Beginning: carbohydrates: End: lipids

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.