1. how can darwin legitemately argue about the imperfection of the fossil record and then go on to show how the fossil record can be used to support evolution? 2. why are transitional species, such as the ancestors of modern whales or horses, crucial evidence for evolution? 3. even if a "rudimentary organ" actually has a function about which we observers are unaware (e. g., if vestigal pelvic bones of a whale may function to support gonads), why would it still provide excellent evidence in support of evolution by descent? pls ; ; ;

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

All ova contain sex chromosomes corresponding to: x y xx xy

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees