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

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration