At synovial joints, . Question 49 options: Intrinsic ligaments are located entirely inside of the articular capsule The articulating ends of the bones are directly connected by fibrous connective tissue The ends of the bones are enclosed within a space called a subcutaneous bursa The joint cavity is filled with a thick, lubricating fluid

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

thats not a question

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"