Primary . an oocyte does meiosis 2 when fertilized
ANSWER:
Radioactive element life years = 1000/2 = 500yrs.
So, Rock years
- 6.25/100 × 500
- 31.25years.
Answer;
- radiometric dating of rocks
- fossil evidence
- gradual processes of rock
Explanation;
Radiometric dating confirms that Earth is ancient and explains how extremely slow processes can result in major changes to Earth’s surface. Evidence from radiometric dating indicates that Earth is about 4.54 billion years old. The geology or deep time of Earth's past has been organized into various units according to events which took place.
-The ages of Earth, Moon, and meteorites, radiometric dating has been used to determine ages of fossils, including early man, timing of glaciations, ages of mineral deposits, recurrence rates of earthquakes and volcanic eruptions, the history of reversals of Earth's magnetic field, and the age and duration of a wide variety of other geological events and processes.
I believe your pointing to number 16, I believe the answer is B
Answer:
Blood pressure is higher in arteries than veins, and the elastic layer helps maintain the structure of the artery.
Explanation:
i think
