Which evidence provides support for the nebular theory. a) scientists have observed the formation of a distant solar system. b) the nebular theory has been proven mathmatically. c) astronomers have observed proplanetary disks around distant newborn stars. d) none of the above

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes