Some native peoples of south america use the drug curare to poison the tips of their hunting arrows. when an animal is struck by the arrow, it goes limp and quickly suffocates. why?

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

Me the formula cacl2 represents the compound

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?