What is the major environmental factor limiting the numbers of autotrophs at great depths in the ocean

If vegetable oil is made out of veggies, then what is baby oil made out of?

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Which statement best describes the role of religion and culture in ancient medicine?