Biology, 12.07.2019 16:30 ashleyd9243
An enzyme select one: a. can bind to nearly any molecule b. is a inorganic catalyst c. is an organic catalyst d. is a source of energy for endergonic reactions e. increases the ea of a reaction
Answers: 1
Biology, 22.06.2019 00:30
On a recent expedition to a remote region of northern canada, scientists uncovered skeletal remains from about 100,000 years ago. surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees fahrenheit (or 538 degrees celsius). which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures? (a) chemical changes that naturally occur during the process of decay in only one north canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. (b) a little over 103,000 years ago, a large fire is known to have occurred in northern canada. (c) strong evidence exists that as early as 70,000 years ago, homo sapiens around the world relied heavily on fire to cook animals. (d) in the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans.
Answers: 3
Biology, 22.06.2019 20:30
How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.
Answers: 1
Biology, 23.06.2019 00:00
Slab pull is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere, causing
Answers: 1
An enzyme select one: a. can bind to nearly any molecule b. is a inorganic catalyst c. is an organ...
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