Answer: About 1/3 of the co2 produced by humans during the past century has been absorbed by the ocean.
Answer:
Fossil B belongs to the same period as the trilobite.
Explanation:
The reason for this is because both fossil B and the trilobite are together in the same rock section. Or period.
Hope this helps you out ; )
(x • 2) + 3 is the algebraic expression.
If the first term is 4, then it is followed by 11, 25, 53.
Simply replace the ‘x’ by whatever term is followed.
Answer:
the particles are precipitated by bottom-dwelling organisms
Explanation:
- The calcareous ooze is formed by the 30% of the microscopic shells that a known as the tests and are formed by the foraminifera, coccolithophores, and pteropods, which are most common sediments on the seafloor by area and cover about 50 % of the oceanic floor. And can be converted to stone by the process of compaction and cementation and re-crystallization.
4.54 billion years<span>The "best" age for the Earth is based on the time required for the lead isotopes in four very old lead ores (galena) to have evolved from the composition of lead at the time the Solar System formed, as recorded in the Canyon Diablo iron meteorite. This "model lead age" is <span>4.54 billion years</span></span>
