E. coli is normally found in the human digestive system to assist with the digestion and absorption of certain nutrients. However there is a pathogenic version of E. coli found in ground beef that has caused sickness periodically. What step can a person take to prevent getting infected during an outbreak? a. Rely upon the fact that they have never had food poisoning.
b. Participate in an antibiotic preventative treatment to kill any current E. coli symptoms.
c. Monitor where the contaminated beef was found and avoid using it for meals
d. Ignore the concerns and drink large amounts of acidic juices when eating burgers.

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa. which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.