in this time, nature seems to have a reset factories temporarily stopped its operation , vehicles exhuast emission were controlled due to lockdown and soil water and air pollutants were minimized .in fact clear skieas can already be seen in metro manila which before lockdown smog was a common scene in the skies. how does this phenomenon nature reset affect the photosynthestic and respiration process?write your answer using your knowledge on photosynthesis and respiration

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed