Astudent uses a 400w electric chainsaw continuously during 100 minutes of cutting wood. the chainsaw is approximately 40% efficient at converting energy. how much energy did the chainsaw consume while cutting wood?

answer; i believe that the correct answer is; ///bodies of water store heat during the day and release it at night;

the answer is b. glad to .

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.