The table shows the number of calories that two people burn when they perform various exercises for one hour each. when does a 600-calorie meal exceed the number of calories burned in two hours? a.)when a 200 lb person plays basketball b.)when a 160 lb person does aerobics c.)when a 200 lb person walks at 3.5 miles per hour d.)when a 160 lb person plays volleyball

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