Hi the body that is responsible for your question is called the National Bureau of Economic Research.
Hope this helps.
Benedict solution sorry if it isn’t the right answer
Answer:
Ritalin (methylphenidate) and Adderall are used to treat ADHD, and are well known to cause a false positive for amphetamines and methamphetamines.
Double displacement reactions occur if ONE of the products is water, a gas or solid.
Hus, when the sister chromatids separate, each chromosome is not the same as when it started--all traits from one parent or the other. Crossing over<span> increases</span>genetic variation<span>. </span>Crossing over<span> is the process by which </span>genetic<span> material is exchanged by non-sister chromatids during meiosis</span>
