Biology, 10.12.2021 04:10 Gabejenedu
1. From which period is a rock at +2.7 m depth?
A. Paleogene
B. Cretaceous
2. What is the average iridium content of rock 0.5 m below the K–Pg boundary layer?
A. 0.25 ppb
B. 0.30 ppb
C. 0.36 ppb
D. 41.6 ppb
3. How much more iridium was found in the K–Pg boundary layer than in rock 0.5 m below it?
A. 41.35 ppb
B. 41.60 ppb
C. 41.24 ppb
D. 39.62 ppb
Answers: 2
Biology, 21.06.2019 20:50
What occupation did muhammad have before the first revelation
Answers: 1
Biology, 22.06.2019 07:00
Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
Answers: 2
1. From which period is a rock at +2.7 m depth?
A. Paleogene
B. Cretaceous
2. Wh...
B. Cretaceous
2. Wh...
Mathematics, 30.08.2019 20:00
Biology, 30.08.2019 20:00
Computers and Technology, 30.08.2019 20:00
Mathematics, 30.08.2019 20:00
Chemistry, 30.08.2019 20:00
History, 30.08.2019 20:00
Mathematics, 30.08.2019 20:00
Mathematics, 30.08.2019 20:00
History, 30.08.2019 20:00
English, 30.08.2019 20:00
Health, 30.08.2019 20:00