The human mouth has a plethora of bacteria species. why is there so much variety of bacteria in the mouth? a. lots of air cause the bacteria to mutate. b. saliva causes bacteria to mutate. c. nutrients in the mouth create a favorable habitat. d. calcium in the teeth provides the proper ph.

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

Agroup of students want to live a healthier life style they decide to use one of these following vegetable oils for cooking apex