These "abiotic ingredients" are the inorganic chemicals in earth's early atmosphere (water, methane, hydrogen, carbon dioxide). heat, lighting and lack of oxygen caused these inorganic chemicals to react with each other and form simple organic chemicals containing both hydrogen and carbon. true or false

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

Which are reasons cells undergo cell division?

If the charge that enters each meter of the axon gets distributed uniformly along it. true or false