Plz help me nowww Assuming that the muscles within both arms below are of the same strength, which arm would be able to lift the most weight and why?

•Arm 1, because muscles in shorter arms are stronger.

•Arm 1 , because muscles in shorter arms can exert more force on an object held in the hand

•Arm 2, because muscles in longer arms are stronger

•Arm 2 because muscles in longer arms can exert more force on an object held in the hand.

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

Adistinctive characteristic of mammals that is not observed in other vertebrates is

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures