What is the correct answer for 2
...
Answers: 3
Biology, 22.06.2019 11:30, annsmith66
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
Biology, 22.06.2019 12:30, musa79
Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
Biology, 22.06.2019 13:40, dasdsadsafdhgifsdu
The term facultative anaerobe refers to an organism that
Answers: 2
Mathematics, 12.02.2021 14:00
Business, 12.02.2021 14:00
Geography, 12.02.2021 14:00
Mathematics, 12.02.2021 14:00
Health, 12.02.2021 14:00
Chemistry, 12.02.2021 14:00