The track team wants to choose 2 people to be team captain and equipment manager. a) Is this a permutation or combination?
Possible answers
permutation
combination
b) In how many ways can those 2 roles be assigned from a team of 22 people?
484
231
242
462

Scientists hypothesized that several species of frogs called tiger frogs evolved from a recent common ancestor. The

hypothesis was based on fossil evidence and on physical similarities among living species. Which of the following

provides the best additional support for the scientists' hypothesis?

Tiger frogs live near each other and are all preyed upon by the same predator species.

Tiger frogs have similarities in their mitochondrial DNA that

its definatley   this on your answer choice?

there has been genes found in the x chromosome of males that have been linked to [homo/hetero]sexuality. in addition to the reign of the x chromosome, a section of chromosome 8 has also been link to, "alot of ppl are so " these facts were proven true after a 2014 study of a gay male and his strait brother. according to newscientist.com,"chromosome 14 and is mainly active in the thyroid, but also the brain. called tshr, it makes a type of receptor protein that recognises and binds to a hormone that stimulates the thyroid. in this way, the gene plays an important role in controlling thyroid function. the fact that tshr seems to be involved in sexual orientation fits with evidence that thyroid function seems to be linked to sexuality."

in conclusion, "ppl are so gay" due to their genetics.