The inherited disease in which hemoglobin molecules clump into long fibers, changing the shape of blood cells is ?
a. cystic fibrosis
b. sickle cell disease
c. huntington’s disease
d. klinefelter’s syndrome

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?