Biology, 18.04.2021 22:10 ccollinsphotogr3177
Carbon 14 has a half life of 5730 years, if the atmosphere has 10,000 parts per million of carbon, how many years old is a fossil with 2,500 parts per million?
Answers: 3
Biology, 21.06.2019 16:00
Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?
Answers: 1
Biology, 22.06.2019 01:30
Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment
Answers: 1
Biology, 22.06.2019 10:30
Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?
Answers: 2
Biology, 22.06.2019 12:40
In which part of the body is a ball-and-socket joint found?
Answers: 2
Carbon 14 has a half life of 5730 years, if the atmosphere has 10,000 parts per million of carbon, h...
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